Galway continue perfect Division 2 campaign with home win over Clare

Galway 2-8
Clare 1-5

EIGHT PLAYERS FOUND the target for Galway as they continued their perfect start to their Division Two campaign with a fifth win in succession at a wet Tuam Stadium.

The scoring was low but it was an intriguing first half where it was level 1-2 to 1-2 at the break, with Cillian Rouine and Robert Finnerty trading goals.

The swirling breeze favoured Clare but they failed to make full use of it and then in the second-half Galway opened up with Damien Comer pouncing for a crucial goal seven minutes after the restart.

Worryingly for Galway manager Pádraic Joyce, Shane Walsh limped off in the third quarter but his team had enough in the tank to keep up their perfect form.

Clare got a dream start and it was the unlikely figure of Rouine who popped up to shoot to the net after less than three minutes.

Aaron Griffin linked with Keelan Sexton and he set up the roaming corner-back, who finished off the post and into the Galway net.

That was the only score for the opening ten minutes, Galway were pegged back deep in their own territory but on one of the rare occasions when they did get a chance to venture forward Johnny Heaney finally got their first score in the tenth minute.

That was cancelled out by a fantastic Eoin Cleary effort from distance moments later.

Galway were unlucky not to have a goal of their own in the 13th minute when Comer rose high to fist a Dylan McHugh long delivery just over the bar. If that showed a glimpse of what Galway were capable of the next score was pure class.

Shane Walsh won possession and drove forward down the right wing, he spotted Finnerty’s smart movement inside and gave a pinpoint pass, with the Salthill/Knocknacarra clubman finishing into the bottom corner past Tristan O Callaghan.

Finnerty shot Galway’s first wide in the 19th minute and four minutes later he was shown a black card after being penalised for a trip on Manus Doherty.

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Clare, who shot five wides to Galway’s four in the opening half, only managed one point with the extra man with Cleary pointing a free five minutes from the break to send them in level at 1-2 apiece at the interval.

David Tubridy scored from a mark on the resumption but Kieran Molloy responded in style for Galway. Jack Glynn took a quick mark to set up McHugh for Galway’s next point and then from the resumption Johnny Heaney got a hand to a short kickout from goalkeeper Tristan O’Callaghan to set Comer up for a goal which set Galway on their way to victory.

Heaney, Paul Conroy and Matthew Tierney made it 1-5 without reply and it wasn’t until the 59th minute when Sexton finally hit back from a Clare free.
Dessie Conneely and Jamie Malone exchanged points as Galway continued their drive to get back to the top flight at the first time of asking.

Scorers for Galway: Damien Comer 1-1, Robert Finnerty 1-0, Johnny Heaney 0-2, Kieran Molloy 0-1, Dylan McHugh 0-1, Paul Conroy 0-1, Matthew Tierney 0-1, Dessie Connelly 0-1.

Scorers for Clare: Cillian Rouine 1-0, Eoin Cleary 0-2 (0-1f), David Tubridy 0-1 (0-1m), Keelan Sexton 0-1 (0-1f), Jamie Malone 0-1.

Galway

1. Conor Flaherty (Claregalway)

17. Jack Glynn (Claregalway) 4. Liam Silke (Corofin) 2. Kieran Molloy (Corofin)

5. Dylan McHugh (Corofin) 6. John Daly (Mountbellew/Moylough) 7. Cillian McDaid (Monivea/Abbeyknockmoy)

9. Paul Conroy (St James’) 10. Matthew Tierney (Oughterard)

8. Paul Kelly (Moycullen) 14. Damien Comer (Annaghdown) 12. Johnny Heaney (Killannin)

15. Owen Gallagher (Moycullen) 13. Robert Finnerty (Salthill/Knocknacarra) 11. Shane Walsh (Kilkerrin/Clonberne)

Substitutes

22. Finnian Ó Laoí (An Spidéal) for Gallagher (46)
26. Eoin Finnerty (Mountbellew/Moylough) for Walsh (48)
24. Dessie Conneely (Moycullen) for R Finnerty (54)
23. Dylan Canney (Corofin) for Comer (63)
21. Niall Daly (Kilconly) for Kelly (67).

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Clare

16. Tristan O Callaghan (St Breckans)

4. Cillian Rouine (Ennistymon), 2. Manus Doherty (Éire Óg), 3. Cillian Brennan (Clondegod)

5. Eoghan Collins (Ballyhaunis), 6. Cian O’Dea (Kilfenora), 7. Alan Sweeney (St Breckan’s)

8. Ciarán Russell (Éire Óg), 9. Darren O’Neill (Éire Óg)

10. Podge Collins (Cratloe), 11.Eoin Cleary (St Joseph’s Milltown), 12. Aaron Griffin (Lissycasey)

13. Jamie Malone (Corofin), 14. Keelan Sexton (Kilmurry Ibrickane), 15. David Tubridy (Doonbeg)

Substitutes

23. Emmet McMahon (St Breckan’s) for P Collins (7)
22. Joe McGann (St Breckan’s) for Sweeney (34)
17. Gavin Cooney (Éire Óg) for Tubridy (62)
19. Conor Jordan (Austin Stacks) for Rouine (62)
26. Daniel Walsh (Kilmurry Ibrickane) for Griffin (62).

Referee: Conor Lane (Cork).

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Tyrone without management team three weeks out from relegation play-off

THE TYRONE LADIES football squad are without a management team three weeks out from their Division Two relegation play-off.

Kevin McCrystal and his management team stepped down ahead of next month’s showdown with Clare following a mixed start to the 2022 season.

“The players have decided they want to go down a different path and I have informed the executive of my decision to step aside,” McCrystal told Gaelic Life yesterday evening.

“I’ve been involved with the senior ladies and development squads over the last five years and I would like to put on the record my thanks to Tyrone LGFA chairperson Donna McCrory and secretary Rita Hannigan.”

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Tyrone county board released a statement late last night.

“Tyrone LGFA can confirm that senior team manager Kevin McCrystal and his management team have stepped down from their roles with immediate affect [sic].

“Tyrone chairperson Donna McCrory and her executive wish Kevin and his backroom team the very best with their future activities and thanked them all for their time and dedication to the Tyrone senior ladies.

🗞 Late breaking news from @TyroneLGFA

Senior team manager Kevin McCrystal and his backroom team have stepped down with immediate effect #LGFA @UlsterLadies pic.twitter.com/04vStfeTtZ

— Ladies Football (@LadiesFootball) March 12, 2022

“Tyrone senior ladies and executive will be working hard together in preparation for the relegation playoff on 3 April 2022.

“No further comment will be made at this time.”

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Carrickmore native McCrystal was in his second year in charge in his second spell, having previously managed the team for a period during the noughties.

The Red Hand were defeated by Cavan and Armagh, and drew with Monaghan in this campaign under McCrystal’s watch.

The Breffni county – with former Tyrone boss Gerry Moane at the helm – consigned them to the relegation play-off after a crunch 3-11 to 1-12 win last weekend.

Matt Doherty’s renaissance at Spurs and the week’s best sportswriting

Davy Russell.

Source: PA

1. Davy Russell was never not coming back. Not when he broke his neck. Not when the shock from his fall in the 2020 Munster National shot down his arm and out through his finger and thumb with such a bang that it felt like a firework had gone off in his hand. Not when he was in traction, which is the fancy name given to lying on the flat of his back with bolts drilled into his head and bags of water hanging off them.

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If he was ever going to consider retirement, it would have been then. When the hours would pass and all he could do was stare at the ceiling and wait for the nurse to come and add more water to the bags, elongating his spine that extra bit more. Or, as he puts it: “Like the last scene in Braveheart where they have William Wallace tied up and they’re stretching him away.”

But no. Even then, it never occurred to him to end his riding career. Not even when the surgeon explained to him how fortunate he had been, how 90 per cent of people with his injury end up paralysed for life. How, when he was speared head-first into the ground, it was only a matter of millimetres that saved him.

Malachy Clerkin of the Irish Times discusses the retirement question with Davy Russell two years after his horrifying injury

2. Roy didn’t fake it. He didn’t confect imaginary adrenaline. He said that United’s players basically gave up, and not much more. And by the end it felt like a moment to ask: are the great days of people saying Manchester United are bad already gone? People saying that Manchester United are bad was a glorious thing. We will always have those sunlit memories, back when people saying Manchester United are bad was fresh and new. But you have to say, we expect a bare minimum of effort, of cinematic rage and tweetable clips. Perhaps we need to dig deep and look at the whole structure of people saying Manchester United are bad.

Because by this stage we have surely reached a tipping point in this fascination with the everyday decline of a poorly managed football club. Zoom out and United’s season is unremarkable. Fifth in the league, with a couple of minor cup runs: this looks about right given the squad and the coaching resources. Exactly which combination of Ole Gunnar Solskjær, Ralf Rangnick, Fred, Aaron Wan-Bissaka and an aged celebrity striker is supposed to guarantee elite-tier success?

The Guardian’s Barney Ronay says even pundits are struggling to stay fascinated by Man Utd’s perpetual non-success

Tottenham Hotspur’s Matt Doherty.

Source: PA

3. Since arriving from Wolves in the summer of 2020, Doherty has felt like a byword for the club’s muddled recruitment and the rapid decline of their right-back options since the glory days of Kyle Walker and Kieran Trippier throughout the previous decade. At points, he has looked shaky defensively and nervous on the ball, not looking himself under Jose Mourinho — who was the manager when he signed — and not impressing Nuno Espirito Santo or Antonio Conte either.

Until, that is, the last few weeks.

Doherty has started consecutive league games for the first time since Mourinho was in charge. Spurs have won them both, scoring nine goals without reply, of which the Republic of Ireland international has scored one and set up three.

For The Athletic, Jack Pitt-Brooke writes about Matt Doherty’s renaissance at Spurs

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4.  Her résumé is glittering: She won an NCAA national championship for Baylor in 2012, the same year she captured college basketball’s Player of the Year Award. She then won a WNBA championship in 2014 and was selected as one of the best 25 players in league history in 2021. She has two Olympic gold medals to her name. In the gold-medal game against Japan in Tokyo last summer, she dominated, scoring 30 points to clinch an easy victory. She is the apex of her sport. She is the best of the best. She is a legend.

And for more than a month now, she has been in the custody of the Russian government. Yet until Russian officials released a statement over the weekend saying they had detained Griner after finding hashish oil in her airport bag, it seemed that nobody had noticed. And the reaction since the arrest has been stunningly quiet. One of the greatest athletes in American sports — a gold-medal winner, a superstar, a champion — was arrested in a dangerous and volatile country that has suddenly become a pariah on the world stage. Making equivalences between sports only takes you so far here, but seriously: Imagine if Tom Brady were being held by Russian officials right now.

For NY Magazine, Will Leitsch asks why Brittney Griner’s detainment in Russia is not the the biggest sports story in America

5. Since 2019 he has been Everton’s captain too, one who does the job with the same selfless concern for the greater good and his teammates’ welfare as with his country. Coleman is reportedly a friendly conduit for new signings, helping them with houses and schools and having them over for dinner. Stories of his charity are legion: he seems to be constantly tossing unsolicited thousands here and there towards GoFundMe appeals for sick kids or local good causes.

But too often it feels like Coleman’s role for club and country has been to front up and defend the failings of others. At the bitter end of Martin O’Neill’s Ireland days he would insist the lads had full faith in management and that it was up to the players to do the job on the field. Ever the brave sergeant, drawing fire so others can escape.

Tommy Martin describes for the Irish Examiner how Seamus Coleman has spent too long fronting up for the failings of others 

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The new Alzheimer’s drug is the first of its kind. Will it be the last?

The FDA’s recent approval of the Alzheimer’s drug aducanumab is a crucial crossroads in the continuing search for a cure for this devastating disease.

Federal regulators approved Biogen’s drug, through an accelerated process, earlier this month. The FDA’s approval came over the objections of its own scientific advisers, who had cited a lack of evidence for the drug’s effectiveness. (Several of those advisers have since resigned.) Patient advocates, on the other hand, welcomed the decision because, to date, there is no treatment that clearly slows down the progression of this disease afflicting 6 million Americans. Health policy experts worried, almost immediately, whether an expensive drug of unproven efficacy would send costs for Medicare and private insurance soaring.

But beyond the immediate effects of aducanumab alone, there is another question lurking after the FDA’s decision: Will this ultimately lead to more drug development for Alzheimer’s disease — or less?

“There could be big-picture harms for incentivizing drug development for truly innovative treatments,” Stacie Dusetzina, who studies drug pricing at Vanderbilt University, says. “It isn’t a very good signal for investors and innovators. … Why should they push for something more complicated?”

Because one thing is clear: The evidence on aducanumab is mixed at best. It may, for some patients, slow the disease down. Experts are urging Biogen or Medicare itself to run more clinical trials to be sure. Either way, this should not be the end of the road in searching for a cure for Alzheimer’s disease.

Alzheimer’s patient advocates are optimistic that it won’t be. They believe one treatment finally getting FDA approval will encourage drug companies to keep investing in this space.

A representative for the Alzheimer’s Association offered the example of statins as a promising precedent. Since the first drug in that class was approved, six more statins have been introduced, each one more effective than the first. Likewise, the first HIV drug faced serious doubts about its efficacy, but its FDA approval ended up spurring more investment in that research area — and, with time, better treatment.

“When people are concerned about risk and whether things can get approved, this says, ‘No, pursue this. There is a major market here, and you need to enter that market as well,’” Robert Egge, chief public policy officer of the Alzheimer’s Association, told me. “To stand out, to win market share, you have got to make a business case that your treatment is more effective than the incumbent.”

He is not alone in that view. Three FDA officials, in a Washington Post op-ed explaining their decision to approve aducanumab, cited the approval of cancer drugs through the same accelerated approval pathway and the effect on subsequent research and development: “Even though not every drug worked as expected, these approvals have propelled progress forward.”

But there is an opposing view, shared by several experts I spoke to, that aducanumab could lead to less drug development. For one, drug makers may not think it’s worthwhile to invest the time and money to find more effective treatments. Biogen cleared a low bar to get the FDA to sign off on its drug, and now it’s setting the list price at nearly $60,000 a year.

“Maybe now some companies will see that they can get Alzheimer’s drugs approved, so they will start (or keep) investing in that space,” Holly Fernandez Lynch, who studies drug development at the University of Pennsylvania, told me over email. “Maybe some of their drugs will work. But they will have little incentive to prove that definitively if FDA doesn’t make them.”

On top of that, a lot of Alzheimer’s patients — millions, maybe — could now be prescribed aducanumab. Patients understandably take FDA approval to be a sign that a drug works and so, believing now that Biogen’s drug does, they could be reluctant to participate in future trials, whether confirmatory trials for this drug (in which case they risk being randomized to a placebo) or for different, unproven treatments.

“If you want to do a trial of different drugs, all your patients are still going to want aducanumab. So you have to start testing different drugs against it or in addition to it,” Lynch Fernandez says. “That’s going to make it a hell of a lot harder to tell if the new drugs work. There is a lot of negative potential when FDA lowers its standards.”

This is not a new concern. Three Penn researchers wrote about the same problem in 2019, warning that the FDA’s use of the accelerated approval pathway (the same process used to okay aducanumab) for cancer drugs could dampen future innovation.

They cited data showing that the FDA often does not force companies to complete the additional trials meant to confirm a drug’s efficacy. And even for those trials that are completed, they frequently find the approved drugs do not have a clinical benefit. On the issue of future innovation, the authors wrote:

Approval of ineffective drugs also crowds out innovation that might produce effective treatment. Once a drug has been approved for a certain indication, other companies and researchers might not invest resources in treatments related to the condition, believing that there is no market.

This is partly a result of how US insurers cover prescription drugs, which is generally not based on the value that the medication actually provides. Medicare generally covers any FDA-approved drug (though some experts are urging it to restrict or deny access for the Biogen drug, given the clinical record) and has few tools to limit the price it pays. Private insurers, on the other hand, will sometimes enter into arrangements with drug makers that give the insurer a financial incentive not to cover or to limit coverage for future drugs from the same class.

“The risk … is that the first drug to market can block downstream innovation,” Robin Feldman, who studies innovation law at the University of California Hastings, told me. “This can be particularly problematic if the first-to-market drug is sub-optimal.”

There is one final complicating factor: The science upon which Biogen’s drug is based, known as the amyloid hypothesis, is still very much in dispute. It holds that plaque in the brain found in Alzheimer’s patients is in part responsible for the disease and that therefore removing plaque could help relieve the symptoms.

As recently as two years ago, when Biogen had halted its clinical trials for aducanumab because of poor evidence, scientists were questioning whether the amyloid hypothesis had been wrong, given how much time had passed without an effective treatment being found.

The question now following aducanumab’s approval, as Rachel Sachs at Washington University in St. Louis told me, is “whether the amyloid hypothesis is now being revived and more companies will be investing there, rather than in other hypotheses.”

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It is possible to imagine a future in which companies do invest more in Alzheimer’s research after the FDA’s decision — but end up going all-in on a hypothesis that turns out to be wrong. Or the aducanumab approval could be the first step through a door that leads to a very effective treatment.

For now, no one can be sure which path we’re on.

Cork league final bound after stoppage-time free secures draw with Kilkenny

CORK ARE HEADED for the Littlewoods Ireland Division One Camogie league final after Chloe Sigerson’s 55-metre free in the fourth minute of stoppage time gave them the draw they needed at the end of a tense and windswept clash with Kilkenny at Páirc Uí Chaoimh.

There were immaculate underfoot conditions but driving rain and a swirling diagonal breeze made life tough for both teams. Kilkenny made light of difficulty in the early stages when they picked off the opening score through Miriam Walsh after 14 seconds, and they doubled their lead from a free after just three minutes, though it could have been so much more but for a superb double save from Cork captain and goalkeeper Amy Lee, who denied successive efforts from Niamh Deely and Walsh.

Another quick-fire brace of scores from Katie Power and Walsh around the midway point in the first half made it 0-4 to 0-1 in favour of the visiting side, but Kilkenny didn’t score from play for the remainder of the game. An inspirational run and point from Aisling Thompson kick-started Cork’s revival and at just 0-5 to 0-4 behind at half time with the wind to come, they looked like the team in the better position going into the second 30 minutes.

Four minutes into the second half the Rebels were in front for the first time thanks to a Katrina Mackey goal, the Douglas player capitalizing when Aoife Norris took a split second to come off her line and cut out a long delivery into the Kilkenny square from Amy O’Connor.

With conditions worsening, the contest deteriorated into a physical battle with most of the play in the middle third of the field, with Cork struggling to make their greater share of possession count.

Kilkenny’s bench impact was also significant, never more than when Mary O’Connell was dragged to the ground inside the square in the 52nd minute, and an inch-perfect penalty from Denise Gaule found the bottom corner of the net and pushed Kilkenny 1-7 to 1-6 in front.

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The sides traded points, Gaule bringing her tally to 1-3 for the afternoon with what looked like the winning score until Mackey was deemed to have been fouled by Claire Phelan with the last attack of the game, and Chloe Sigerson stepped up to send her team through to the league final with a clinical dead ball finish to make it 1-8 apiece.

Either Tipperary or All-Ireland champions Galway will be Cork’s opposition in the final after a powerful first quarter gave Tipperary enough cushion to withstand a strong second half-showing from Dublin at the Ragg.

It finished 1-12 to 1-8 in favour of the home side, with Dublin scoring first through a wonderful Kerrie Finnegan point before Cáit Devane, Grace O’Brien and Claire Hogan struck back with some excellent points.

A fantastic incisive run from Clodagh McIntyre opened the door for Casey Hennessy to take a pass and crash in the game’s opening goal after 14 minutes to make it 1-4 to 0-1, but Dublin responded brilliantly with three of the next four points of the game, all from the stick of Aisling Maher.

Tipperary star Cáit Devane (file pic).

Source: Laszlo Geczo/INPHO

Grace O’Brien and Caoimhe McCarthy restored Tipperary’s six-point lead but Kerrie Finnegan’s goal dragged Dublin back into the game with a goal after 22 minutes.

1-9 to 1-5 at half-time, the scores dried up after the interval, with no flag raised until Cáit Devane fired over a free in the 17th minute. Dublin found some form in the last ten minutes with a well-taken point from Jody Couch and two more frees from Maher, but they left it too late to salvage the win they needed to keep their final chances alive.

At the other end of the table, Down had a heroic effort to come from two points behind at the interval to pick up a 2-11 to 3-6 win over Offaly at Liatroim Fontenoys.

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In what was effectively a relegation semi-final given the results that have already happened in the group, 2-4 from Niamh Mallon was the vital contribution for the Mourne County, while Offaly will hope that their fortunes can improve when they welcome back their All-Ireland winning St. Rynagh’s contingent for the relegation decider against Limerick.

It looked for all the world as if it would be Clare who would be condemned to finish bottom of their group and fight it out with the Faithful County when Limerick took an 0-11 to 1-5 win into the final quarter of their game with Clare at the TUS Gaelic Grounds, but a point from Zi Yan Spillane in the 55th minute kickstarted a run of five scores in a row for the Banner girls, who picked up their first win over the season by 1-10 to 0-11.

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Áine O’Loughlin found the net for Clare in the first half but Limerick used the wind well and were 0-9 to 1-2 up at the break, with Caoimhe Costello carrying the bulk of their scoring load.

A low-scoring third quarter suggested that Clare weren’t going to be able to reel in their neighbours, but Spillane’s score was followed up by points from Claire Grogan, Eimear Kelly and Chloe Morey to snatch the victory.

Why some biologists and ecologists think social media is a risk to humanity

Social media has drastically restructured the way we communicate in an incredibly short period of time. We can discover, “Like,” click on, and share information faster than ever before, guided by algorithms most of us don’t quite understand.

And while some social scientists, journalists, and activists have been raising concerns about how this is affecting our democracy, mental health, and relationships, we haven’t seen biologists and ecologists weighing in as much.

That’s changed with a new paper published in the prestigious science journal PNAS earlier this month, titled “Stewardship of global collective behavior.”

Seventeen researchers who specialize in widely different fields, from climate science to philosophy, make the case that academics should treat the study of technology’s large-scale impact on society as a “crisis discipline.” A crisis discipline is a field in which scientists across different fields work quickly to address an urgent societal problem — like how conservation biology tries to protect endangered species or climate science research aims to stop global warming.

The paper argues that our lack of understanding about the collective behavioral effects of new technology is a danger to democracy and scientific progress. For example, the paper says that tech companies have “fumbled their way through the ongoing coronavirus pandemic, unable to stem the ‘infodemic’ of misinformation” that has hindered widespread acceptance of masks and vaccines. The authors warn that if left misunderstood and unchecked, we could see unintended consequences of new technology contributing to phenomena such as “election tampering, disease, violent extremism, famine, racism, and war.”

It’s a grave warning and call to action by an unusually diverse swath of scholars across disciplines — and their collaboration indicates how concerned they are.

Recode spoke with the lead author of the paper, Joe Bak-Coleman, a postdoctoral fellow at the University of Washington Center for an Informed Public
, as well as co-author Carl Bergstrom, a biology professor at the University of Washington, to better understand this call for a paradigm shift in how scientists study the technology we use every day.

The two interviews have been combined and lightly edited for length and clarity.

Shirin Ghaffary

You tweeted that this paper is one of the most important ones you’ve published yet. Why?

Carl Bergstrom

My original background is in infectious disease epidemiology, respiratory viruses. And so I was able to do some stuff that’s reasonably important during Covid. What I’m doing there is really filling in the details in a well-established framework. So it’s more, you know, dotting the i’s and crossing the t’s.

And I think what’s really important about this paper is that it’s not doing that at all. It’s saying, “Here’s a massive problem, and the way to conceptualize it, that is critically important for the future. “

And, you know, it’s suggesting an alarm going off upstairs. It’s a call to arms. It’s saying, “Hey, we’ve got to solve this problem, and we don’t have a lot of time.”

Shirin Ghaffary

And what is that problem? What are you sounding the alarm bell on?

Carl Bergstrom

My sense is that social media in particular — as well as a broader range of internet technologies, including algorithmically driven search and click-based advertising — have changed the way that people get information and form opinions about the world.

And they seem to have done so in a manner that makes people particularly vulnerable to the spread of misinformation and disinformation.

Just as one example: A paper — a poorly done research paper — can come out suggesting that hydroxychloroquine might be a treatment for Covid. And in a matter of days, you have world leaders promoting it, and people struggling to get [this medicine], and it being no longer available to people who need it for treatment of other conditions. Which is actually a serious health problem.

So you can have these bits of misinformation that explode at unprecedented velocity in ways that they wouldn’t have prior to this information ecosystem.

[Now], you can create large communities of people that hold constellations of beliefs that are not grounded in reality, such as [the conspiracy theory] QAnon. You can have ideas like anti-vaccination ideas spread in new ways. You can create polarization in new ways.

And [you can] create an information environment where misinformation seems to spread organically. And also [these communities can] be extremely vulnerable to targeted disinformation. We don’t even know the scope of that yet.

Joe Bak-Coleman

The question we were trying to answer was, “What can we infer about the course of society at scale, given what we know about complex systems?”

It’s kind of how we use mice models or flies to understand neuroscience. Part of this came back to animal societies — namely groups — to understand what they tell us about collective behavior in general, but also complex systems more broadly.

So our goal is to take that perspective and then look at human society with that. And one of the things about complex systems is they have a finite limit to perturbation. If you disturb them too much, they change. And they often tend to fail catastrophically, unexpectedly, without warning.

We see this in financial markets — all of a sudden, they crash out of nowhere.

Carl Bergstrom

My hope is very much that this [paper] will sort of galvanize people. The issues that are in this paper are ones that people have been thinking about from many, many different fields. It’s not like these are new issues entirely.

It’s rather that I think this paper will hopefully really highlight the magnitude of what’s happened and the urgency of fixing it. Hopefully, it’ll galvanize some kind of transdisciplinary collaborations.

So it’s important because it says this needs to be a crisis discipline, this is something that we don’t understand. We don’t have a theory for how all of these changes are affecting the way that people come to form their beliefs and opinions, and then use those to make decisions. And yet, that’s all changing. It’s happening. …

There’s a misperception that we’re saying, “Exposure to ads is bad — that’s causing the harm.” That’s not what we’re saying. Exposure to ads may or may not be bad. What we’re concerned about is the fact that this information ecosystem has developed to optimize something orthogonal to things that we think are extremely important, like being concerned about the veracity of information or the effect of information on human well-being, on democracy, on health, on the ecosystem.

Those issues are just being left to sort themselves out, without a whole lot of thought or guidance around them.

That puts it in this crisis discipline space. It’s like climate science where you don’t have time to sit down and work out everything definitively. This paper is essentially saying something quite similar — that we don’t have time to wait. We need to start addressing these problems now.

Shirin Ghaffary

What do you say to the people who think this is not really a crisis and argue that people had similar concerns when the printing press came out that now seem alarmist?

Carl Bergstrom

Well, with the printing press, I would push back. The printing press came out and upended history. We’re still recovering from the capacity that the printing press gave to Martin Luther. The printing press radically changed the political landscape in Europe. And, you know, depending on whose histories you go by, you had decades if not centuries of war [after it was introduced].

So, did we somehow recover? Sure we did. Would it have been better to do it in a stewarded way? I don’t know. Maybe. These major transitions in information technology often cause collateral damage. We tend to hope that they also bring about a tremendous amount of good as we move toward human knowledge and all of that. But even the fact that you’ve survived doesn’t mean that it’s not worth thinking about how to get through it smoothly.

It reminds me of one of the least intelligent critiques of the [Covid-19] vaccines that we’re using now: “We didn’t have vaccines during the Black Death plague. And we’re still here.” We are, but it took out a third of the population of Europe.

Shirin Ghaffary

Right, so there is pain and suffering that happened with all those transformational technologies as well.

Carl Bergstrom

Yeah. So I think it’s important to recognize that. It’s still possible to mitigate harm as you go through a transformation, even if you know you’re going to be fine. I also don’t think it’s completely obvious that we are going to be fine on the other end.

One of the really key messages of the paper is that there tends to be this general trust that everything will work out, that people will eventually learn to screen sources of information, that the market will take care of it.

And I think one of the things that the paper is saying is that we’ve got no particular reason to think that that’s right. There’s no reason why good information will rise to the top of any ecosystem we’ve designed. So we’re very concerned about that.

Shirin Ghaffary

One important defense of social media is that Facebook and Twitter can be places where people share new ideas that are not mainstream that end up being right. Sometimes media gatekeepers can get things wrong and social media can allow better information to come out. For example, some people like Zeynep Tufekci were sounding the alarm on the pandemic early, largely on Twitter, back in February 2020, far ahead of the CDC and most journalists.

Carl Bergstrom

Yeah, to look at the net, you have to look at the net influence of the system, right? If somebody on social media has things right but if the net influence on social media is to promote anti-vaccination sentiment in the United States to the point that we’re not going to be able to reach herd immunity, it doesn’t let social media off the hook. …

I was enormously optimistic about the internet in the ’90s. [I thought] this really was going to remove the gatekeepers and allow people who did not have financial, social, and political capital to get their stories out there.

And it’s certainly possible for all that to be true and for the concerns that we express in our paper to also be correct.

Joe Bak-Coleman

Democratizing information has had profound effects, especially for marginalized, underrepresented communities. It gives them the ability to rally online, have a platform, and have a voice. And that is fantastic. At the same time, we have things like genocide of Rohingya Muslims and an insurrection at the Capitol happening as well. And I hope that it’s a false statement to say we have to have those growing pains to have the benefits.

Shirin Ghaffary

How much do we know about whether [misinformation] has increased in the past year or five years, 10 years, and by how much?

Carl Bergstrom

That’s one of the real challenges that we’re facing, actually, is that we don’t have a lot of information. We need to figure out how, to what degree, people have been exposed to misinformation, to what degree is that influencing subsequent online behavior. All of this information is held exclusively by the tech companies that are running these platforms.

[Editor’s note: Most major social media companies work with academics who research their platforms’ effects on society, but the companies restrict and control how much information researchers can use.]

Shirin Ghaffary

What does treating the impact of social media as a crisis discipline mean?

Carl Bergstrom

For me, a crisis discipline is a situation where you don’t have all of the information that you need to know exactly what to do, but you don’t have time to wait to figure it out.

This was the situation with Covid in February or March 2020. We’re definitely in that position with global climate change. We’ve got better models than we did 20 years ago, but we still don’t have a complete description of how that system works. And yet, we certainly don’t have time to wait around and figure all that out.

And here, I think that the speed with which social media, combined with a whole number of other things, has led to very widespread disinformation — [that] here in the United States [is] causing major political upheaval — is striking. How many more elections do you think we have before things get substantially worse?

So there are these super-hard problems that take radical transdisciplinary work. We need to figure out how to come together and talk about all that. But at the same time, we have to be taking actions.

Shirin Ghaffary

How do you respond to the chicken-and-egg argument? You hear defenders of technology say, “We’re just seeing real-world polarization reflected online,” but there’s no proof that the internet is causing polarization.

Carl Bergstrom

This should be a familiar argument. This is what Big Tobacco used, right? This is Merchants of Doubt stuff. They said, “Well, you know, yeah, sure, lung cancer rates are going up, especially among smokers — but there’s no proof it’s been caused by that.”

And now we’re hearing the same thing about misinformation: “Yeah, sure, there’s a lot of misinformation online, but it doesn’t change anyone’s behavior.” But then all of a sudden you got a guy in a loincloth with buffalo horns running around the Capitol building.

Shirin Ghaffary

The paper calls for people to more urgently understand the impacts of these new rapid advancements in communication technology in the past 15 years. Do you think that this isn’t being addressed enough by academic scientists, government leaders, or companies?

Joe Bak-Coleman

There’s been a lot of work that’s been done here, and I don’t think we’re trying to reinvent that wheel at all. But I think what we’re really trying to do is just highlight the need for urgent action and draw these parallels to climate change and to conservation biology, where they’ve been dealing with really similar problems. And the way they’ve structured themselves, like climate change now involves everything from chemists to ecologists. And I think social science tends to be fairly fragmented in subdisciplines, without a lot of connection between them. And trying to bring that together was a major goal of this paper.

Shirin Ghaffary

I’m biased to be very aware of this problem because my job is to report on social media, but it feels like there is a lot of fear and concern about social media’s impact. Misinformation, phone addiction — these seem to be issues that everyday people worry about. Why do you think there still isn’t enough attention on this?

Carl Bergstrom

When I talk to people about social media, yes, there’s a lot of concern, there’s a lot of negativity, and then there’s bias by being a parent as well. But the focus is often on the individual-level effects. So it’s, “My kids are developing negative issues around self-esteem because of the way that Instagram is structured to get ‘Likes’ for being perfect and showing more of your body.”

But there’s less talk about the entire large-scale structural changes that this is inducing. So what we’re saying is, we really want people to look at the large-scale structural changes that these technologies are driving in society.

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Animals can navigate by starlight. Here’s how we know.

“No, no, no, no, Brian. No, no, no, no.”

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I had asked Stephen Emlen, a Cornell emeritus professor of neurobiology and behavior, what seemed to me an obvious question: When he brought birds into planetariums in the 1960s and 70s, did they ever, um, make a mess in there?

“No poops in the planetarium,” Emlen assures me.

I had called Emlen to talk not about poops, but a series of experiments that have captured my imagination. He brought migratory birds into a planetarium at night and turned the stars on and off, as though erasing them from the universe of a bird’s brain.

Through these experiments, Emlen pieced together what was then a mystery: how birds know which way is which, even flying in the dark of night without the sun for guidance.

We still know incredibly little about animal migration — where they go, why they go, and how they use their brains to get there. Storks migrate from Europe to Africa, and they not only know the route, but can discover locust swarms to feed upon in the desert (long before humans detect the swarm). Whales, in their journeys across the ocean, seem to be influenced by solar storms — but no one knows which part of whale physiology allows them to sense magnetic fields.

How these animals get from point A to point B can be mysterious — and grows even more so as we uncover each new navigational feat. “We just don’t know, really, the fundamentals of animal movement,” science writer Sonia Shah says on the latest episode of Unexplainable, Vox’s podcast about unanswered questions in science.

The scant information we do have from ingenious experiments like Emlen’s show just how much animal brains can understand and learn about the natural world.

That information should give us pause as we continue to change our planet. As humans artificially brighten the sky, and as we launch more satellites into orbit that outshine even stars, we may be messing with the cognitive compasses of untold numbers of creatures.

Birds … in a planetarium?

Emlen’s experiments read like something out of a scientifically curious little kid’s dreams. When he was a graduate student at the University of Michigan, Emlen was given the keys to the Longway Planetarium in Flint, Michigan, where he could reign free at night.

“The director closed the planetarium at 10:30, and they gave me the key,” Emlen recalls. “I became nocturnal.” Between experiments conducted there, and later at Cornell University, he pieced together a theory for how the birds navigate.

When Emlen started his work, some things were already known. A husband-and-wife duo from Germany, Edgar Gustav Franz Sauer and Eleonore Sauer, had worked out in the decade prior that migratory birds — which sometimes fly thousands of miles in a single season — look to the stars to get a sense of direction.

The Sauers put birds in outdoor arenas where the only thing they could see was the night sky. And with just the sky as their guide, the birds attempted to fly in their expected migratory direction. They wouldn’t do so on a cloudy night. The Sauers repeated the experiment in a German planetarium, and it worked there, too. Which was amazing: Birds could use information they found in the sky — even man-made replicas of the night sky — to navigate.

But there were still unanswered questions. What were the birds looking at in the night sky, and how were they figuring out the right way?

There were several hypotheses. Some argued that the birds were using an internal clock of sorts to orient themselves to the stars. Stars change their positions over the course of the night, and when viewed from the northern hemisphere, they appear to rotate around Polaris, the static North Star. Perhaps they’re born with an innate sense of time and learn where the stars should be at a given moment. (Similarly, humans know that around sunset, they can find the sun by looking to the west.)

Emlen wasn’t sure that was true. So he decided to find out — with the help of the planetarium, North American indigo buntings, and a special cage he invented with the help of his father (who was also a biologist).

The cage was in the shape of a funnel, and the buntings — a beautiful, sparrow-sized songbird that migrate at night — were placed in the narrow bottom of the funnel. This design, illustrated below, ensured that the birds could only look at what was above them (i.e, the “sky”).

The upper part of these funnels was covered in paper, and the bases of the cages — “just aluminum pudding pans,” Emlen says — featured an ink pad that turned the birds’ feet into stamps. Little avian footprints would appear on whatever side of the funnel the bird attempted to fly toward. The top of the funnel was covered with plexiglass or a wire screen, so the bird wouldn’t get out — hence, no poops in the planetarium.

In the planetarium, Emlen could tinker with the cosmos. He started by setting the stars to a different time of night than it actually was, throwing off the birds’ biological clocks. Yet the birds would still orient themselves in the right direction of their migration. “They were not using a clock,” Emlen says.

So the birds could orient themselves regardless of the time of night. It meant they were focusing on some other aspect of the night sky. But what?

Emlen started on a painstaking process of elimination. As he describes, he “attacked” the expensive planetarium projector, blacking out certain stars systematically. “Let me block the Big Dipper,” he remembers thinking. “Let me block Cassiopeia.” No matter the constellations omitted from the cosmos, the birds could still orient themselves.

“I couldn’t link it to any particular star pattern,” he says. “I had to block out pretty much everything within about 35 degrees of the North Star. And when that happened, the birds acted as though they were clueless.”

The clueless birds were a big clue for Emlen. He knew then that the orientation had something to do with the area around the North Star — but didn’t rely on any of the particular stars around it.

Maybe it was the spot in the sky that doesn’t rotate at all.

A further, ambitious experiment would prove this hypothesis correct. This time, Emlen didn’t just bring birds to a planetarium — he raised some of them inside one. Again, he altered the planetarium projector, not by blocking out stars but by changing the axis of the Earth. He chose a new stationary “North Star” — Betelgeuse — for his chicks to observe.

Remarkably, the birds raised under this altered sky would orient themselves toward Betelgeuse, as it was the fixed point, when they were ready to migrate.

The experiment showed that the birds are primed for nighttime navigation not by an inborn star map, Emlen says, but by paying “close attention to the movement of the sky. They’re hardwired to pay attention to something, which then takes on meaning.”

Emlen is still not sure if the birds look for some sort of constellation to point their way north, once they’ve learned where it is from the motion of the stars. We humans often use the Big Dipper to find north.

“Different birds might use different star configurations,” says Roswitha Wiltschko, a German behavioral ecologist who has conducted similar experiments on bird navigation. “And apparently there is some individual difference in it. This is a part of orientation where we do not know the details yet.”

How many animals look to the stars?

In the decades since these experiments, ornithologists have learned a lot more about how birds navigate. They don’t just use a star compass — they also have a magnetic compass, a sun compass, and even a smell compass. It’s incredibly complex. “All these things intermingle,” Emlen says, and scientists still aren’t sure precisely how these different navigational systems all work together. (They’re especially unsure about how animals use these inputs to inform their mental map of where they are going.)

Scientists don’t have a precise accounting of how many different species of bird navigate by starlight, but experts suspect it is a huge number. More broadly, biologists don’t know how many other species look at starlight. Based on discoveries in the past several years, this ability has already shown up in surprising places.

Consider the dung beetle, which takes its name from its favorite food, namely, um, excrement.

These critters have a very limited visual field, but can actually see the Milky Way in a dark night sky. One particular type of dung beetle lives in South Africa, scavenges for dung, and rolls it into balls away from the source, to protect its food.

This sounds simple. “But for one thing, you have to bear in mind that this ball is usually bigger than the beetle itself,” says James Foster, who studies dung beetles at the Universität Würzburg. “So it’s quite challenging to keep that on course.”

Here’s the amazing part: “They really don’t get lost unless you build them a tiny hat and put that over their head,” Foster says. “They can’t just look around at the ground and work out where they’re going. They really need to be able to see the sky.”

Like Emlen, Foster’s colleagues brought beetles into a planetarium and started switching stars on and off, systematically. They found that on nights where there is a moon, the beetles use it to orient themselves. But if there is no moon, “if you switch off everything else and turn the Milky Way on, then they’re oriented again. So that was what led us to think that they’re using the Milky Way.”

That’s pretty astounding stuff. Starlight from tens of thousands of light-years away, still has enough power to excite the nervous system in the limited eyes of the lowly dung beetle, helping it know where to go.

But this ancient navigation system is also threatened by city lights. “Artificial light … can completely obscure the kind of things that the animals are looking for,” Foster says. “If you put dung beetles on the roof of a building in the middle of Johannesburg, then they become completely lost. It’s just far too bright for them to be able to see the Milky Way, which is the thing they need.”

Foster isn’t sure how many animals on Earth can orient themselves with the stars — no one is — but he suspects it might be more common than currently appreciated. Seals, moths, and of course humans have been shown to use stars. But it stands to reason that changing the night sky — with electric lights and bright, near-Earth satellites that outshine the stars — could continue to mess up the navigation of untold numbers of creatures.

Recently, Emlen saw something astonishing in the night sky. “It was a whole stream of these major bubbles that passed through the sky,” he says. “Every one of those blobs was more intense than the brightest planet in the sky.”

He says the blobs were SpaceX satellites, recently launched to deliver Internet to remote areas from low-Earth orbit. In the future, there could be tens of thousands of these bright objects launched into the night. “I do think that will completely screw up birds that are up there at night,” he says.

We do know that there are some things that birds can adapt to. The Earth’s axis actually wobbles slightly, which means Polaris won’t be the North Star forever. In fact, in around 13,000 years, the star Vega will take the position. We know from the buntings in the planetarium that birds will learn to spot it. They’ll pay attention to changes in the stars, Emlen says, “and lock into whatever works.”

What if the truth isn’t out there?

The US military’s official report on UFOs is here, and its conclusion is scintillating: There’s some stuff in the sky, the government isn’t sure what it is, there’s no evidence that it’s aliens, but also no one’s ruling out aliens. So in conclusion, the UFOs are part of life’s rich pageant and anything is possible.

The nine-page report released by the Director of National Intelligence’s (DNI) office last week, formally titled “Preliminary Assessment: Unidentified Aerial Phenomena,” says a little bit more than “we know nothing.” But that is the main takeaway. “Limited Data Leaves Most UAP Unexplained” reads the report’s first subject heading.

That takeaway comes as something of an anticlimax capping off a period of frenzied speculation over UAPs (the new preferred term for “UFO”). The current mania was kicked off by a 2017 New York Times A1 article revealing the existence of a quiet Pentagon program analyzing strange aerial sightings by pilots. Since then, a steady stream of mainstream news coverage and Pentagon disclosures have kept UAPs in the public eye, complete with details about their allegedly fantastical, above-human capabilities.

In the immediate wake of the DNI report, no minds have been changed. The skeptics are still skeptical. Believers in the “extraterrestrial hypothesis” (ETH) still believe.

Which is about right. This report simply doesn’t contain enough new information to move anyone’s assessments much in one direction or another. It was mostly meant to summarize the UFO sightings the Pentagon has looked at, rather than explain those sightings. It was reportedly written in half a year by two people working part-time; it is not a large-scale evidence review like the 9/11 Report.

So the UFO-curious public is left more or less where it started before this latest round of UFO stories: not knowing what these objects in the sky are or where they’re from or what if anything they tell us about the universe.

Let me lay my cards on the table here: I’ve long been on the skeptics’ side. I don’t think we have any evidence that these UAPs are a sign of intelligent life on a different planet. But I also know that it’s a question we have to get to the bottom of, and to do that the government needs to allocate a bit more in the way of research funding.

We have to get to the bottom of this question because the truth about UFOs — particularly if the extraterrestrial hypothesis happens to be somehow true — could clarify humans’ role in the universe.

Physicists, astronomers, philosophers, and other smart people have been trying to suss out what the existence or nonexistence of intelligent life elsewhere in the universe could mean. It could be we’re all alone in the universe, which leads to certain mind-breaking implications — one of which is perhaps humanity has a moral duty to preserve civilization because it exists nowhere else in the vast expanse of space. Or it could be that we do have cosmic neighbors, but that those neighbors haven’t reached out because they face difficult challenges — challenges that could be waiting for us in our own future and that could inform how we act today.

In other words, the UFO question is a subquestion of a much broader, more profound inquiry into the future of humanity.

Fermi’s paradox and the puzzle of intelligent life elsewhere

A finding that UFOs represent an alien civilization visiting Earth would be crucially important, first and foremost because it would answer a question scientists have been asking for at least the last century: Where is everybody?

The universe is almost incomprehensibly vast: In the Milky Way galaxy alone, there are hundreds of billions of stars, and as many as 6 billion of them could be Sun-like stars with rocky Earth-like planets orbiting them. There are hundreds of billions if not trillions of galaxies alongside the Milky Way.

It would be strange for humans to be the only intelligent life (or, at least, the only life of above-chimpanzee intelligence) in all that vastness. And, intuitively, it seems like some of our peers should have surpassed us and developed the ability to send probes thousands of light-years away to observe us.

This puzzle is commonly known as Fermi’s paradox, after its articulation by the 20th-century physicist Enrico Fermi, and it has fascinated astronomers, physicists, and science fiction fans for decades. As Liv Boeree explained for Vox, much of the literature on the Fermi paradox relies on a model known as the Drake equation, devised by physicist Frank Drake to estimate the number of “active, communicative, extra-terrestrial civilizations” in our galaxy.

The equation includes some variables astronomers are able to estimate (like the rate of star formation in the Milky Way and the fraction of stars with planets) and some inherently speculative ones, like the fraction of planets that develop intelligent life. The Drake equation is thus quite imprecise, and it requires plugging in numbers where researchers have tremendous uncertainty.

In 2017, Anders Sandberg, Eric Drexler, and Toby Ord of the Future of Humanity Institute attempted rough estimates of the odds that human civilization is alone in the galaxy and universe by giving uniform odds to a number of different parameters. For instance, they estimated that the share of planets with life that will ever develop intelligent life could be anywhere from 0.1 percent to 100 percent, and gave equal odds to every number in that range.

They then incorporated the fact that we haven’t observed other intelligent civilizations, which should lower our estimated odds of their existence. The paper concluded that there’s a 53 percent to 99.6 percent chance of humans being the only intelligent civilization in the Milky Way, and a 39 percent to 85 percent chance of being alone in the observable universe.

The threat of the Great Filter

The optimistic read, as outlined by Sandberg elsewhere, is that this finding should reduce our fear that humans face a huge extinction event in our future.

How does that follow? Well, one common explanation for humans’ apparent loneliness in the universe is that intelligent life is actually incredibly common — but almost always destroys itself at some point. Either a civilization’s own technology grows so advanced and dangerous that it wipes itself out, or natural phenomena like meteors or supervolcanoes strike before the civilization has the chance to send probes to look at us.

This theory is known as the Great Filter, and it has a certain terrifying plausibility to it. Humanity has already developed tools capable of wiping itself out, or else shrinking itself to a size so small that it cannot endure and sustain itself: nuclear weapons, engineered pathogens, possibly greenhouse gas emissions.

Oxford’s Ord, in last year’s book The Precipice: Existential Risk and the Future of Humanity, roughly estimates the odds of a human-caused extinction or extinction-level event in the next century at about one in six.

There’s a lot of uncertainty around those estimates. But one in six is a very significant risk. Most election forecasters gave lower odds to a Donald Trump victory in 2016.

And if our loneliness in the universe is evidence that every other civilization has destroyed itself in a fashion like this, then one in six might be an overly optimistic estimate. If, on the other hand, the difficult-to-pass “filter” is in our past (say, at the stage in which lifeless molecules combined to create viruses and bacteria), as the Sandberg/Drexler/Ord research suggests, then our loneliness need not imply a grave threat in our future.

Researchers interested in the potential risk posed by the Great Filter tend to focus on searching for “biosignatures” or “technosignatures”: observable attributes of planets elsewhere in the galaxy that might give evidence of life or human-level technology.

Generally, the hope is to not find these signatures. If we see evidence that there are lots of planets with life up to or equal to human levels of sophistication, but not at levels of sophistication that exceed humans, that strengthens the argument that the filter is in the future, that humans will (like all technologically advanced civilizations) find a way to destroy ourselves.

“If the search for biosignatures reveals that life is everywhere while technology is not, then our challenge is even greater to secure a sustainable future,” researchers Jacob Haqq-Misra, Ravi Kumar Kopparapu, and Edward Schwieterman recently concluded in an article for the journal Astrobiology.

If (and I must stress that this is a quite unlikely “if”) UFO sightings on earth are actually evidence that an advanced alien civilization has developed a system of long-distance probes that it is using to monitor or contact humanity, then that would be an immensely hopeful sign in Great FIlter terms.

It would mean that at least one civilization has far surpassed humanity without encountering any insurmountable hurdles preventing its survival. It would also mean Earth need not be the universe’s sole protector of intelligent life and civilization, meaning that if we do destroy ourselves, all is not lost, cosmically speaking.

What if we’re all alone?

Getting to the bottom of the UAPs and investigating whether there’s intelligent life elsewhere is important, and it’s probably worth devoting government resources toward solving the mystery.

But I also worry that belief in the extraterrestrial hypothesis is a kind of wishful thinking. If it’s wrong, and a Great Filter is in our future, that suggests our species is in immense danger. It would mean there are many, perhaps millions or billions, of civilizations like ours around the universe, but that they without fail destroy themselves at some point after they reach a certain level of technological sophistication. If that happened to them, it’ll almost certainly happen to us too.

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If the extraterrestrial hypothesis is wrong simply because we’re the only species that has even gotten this far, that’s alarming for a different reason. It implies that if we screw up, that’s it: The universe would be left as a desolate compilation of stars and planets without any thinking creatures on them. Nothing capable of empathizing or acting morally would exist anymore.

Skeptic though I am, there is a part of me that wants the objects in the sky to be aliens because the alternative is so dismal. I want to know what these objects really are because the stakes are high enough that we need to get this right. But in a way, our current state of relative ignorance can be a bit of a silver lining — there’s comfort in the thought that we don’t know the answer yet, and that we can’t quite close the door on the possibility of life beyond Earth.

How heat waves form, and how climate change makes them worse

The Pacific Northwest is sweltering under a record-breaking heat wave. Portland reached 116 degrees Fahrenheit this week. Seattle reached 108 degrees. Vancouver reached 89 degrees. The searing heat has buckled roads, melted power cables, and led to a spike in deaths. It’s especially concerning in a region like the Pacific Northwest, where few buildings have air conditioners.

This follows weeks of extremely high temperatures across the Northern Hemisphere and an early-season heat wave in North America that triggered heat warnings for 50 million people. Scientists say these record highs align with their expectations for climate change, and warn that more scorchers are coming.

There’s more to heat waves like this than high temperatures. The forces behind them are complex and changing. They’re a deadly public health threat that can exacerbate inequality, cause infrastructure to collapse, and amplify other problems of global warming. Even more worrying is that in the context of the hot century ahead, 2021 may go down in history as a relatively cool year.

Heat waves, explained

Extreme heat might not seem as dramatic as hurricanes or floods, but the National Weather Service has deemed it the deadliest weather phenomenon in the US over the past 30 years, on average.

What counts as a heat wave is typically defined relative to local weather conditions, with sustained temperatures in the 90th to 95th percentile of the average in a given area. So the threshold for a heat wave in Tucson is higher than the threshold in Seattle.

During the summer in the Northern Hemisphere, the northern half of the planet is tilted toward the sun, which increases daylight hours and warms the hemisphere. The impact of this additional exposure to solar radiation is cumulative, which is why temperatures generally peak weeks after the longest day of the year.

Amid the general increase in temperatures in the summer, meteorology can push those numbers to extremes.

Heat waves begin with a high-pressure system (also known as an anticyclone), where atmospheric pressure above an area builds up. That creates a sinking column of air that compresses, heats up, and oftentimes dries out. The sinking air acts as a cap or heat dome, trapping the latent heat already absorbed by the landscape. The high-pressure system also pushes out cooler, fast-moving air currents and squeezes clouds away, which gives the sun an unobstructed line of sight to the ground.

The ground — soil, sand, concrete, and asphalt — then bakes in the sunlight, and in the long days and short nights of summer, heat energy quickly accumulates and temperatures rise.

Heat waves are especially common in areas that are already arid, like the desert Southwest, and at high altitudes where high-pressure systems readily form. Moisture in the ground can blunt the effects of heat, the way evaporating sweat can cool the body. But with so little water in the ground, in waterways, and in vegetation, there isn’t as much to soak up the heat besides the air itself.

“It compounds on itself,” said Jonathan Martin, a professor of atmospheric science at the University of Wisconsin Madison. “When you’re dry, you get warm. When you’re excessively warm, you tend to build and strengthen the anticyclone, which encourages continuation of clear skies, which in turn encourages a lack of precipitation, which makes it drier, which makes the incoming solar radiation more able to heat the ground.”

But extreme heat can also build up in places that have a lot of moisture. In fact, for every degree Celsius the air warms (1.8 degrees Fahrenheit), it can absorb about 7 percent more water, which can create a dangerous combination of heat and humidity (more on that below).

Urban areas further exacerbate this warming. As roads, parking lots, and buildings cover natural landscapes, cities like Los Angeles and Dallas end up absorbing more heat than their surroundings and can become as much as 20 degrees Fahrenheit warmer. This is a phenomenon known as the urban heat island effect.

Heat waves typically last around five days, but can linger longer if the high-pressure system is blocked in place. “In some cases you actually can get these kinds of patterns getting stuck, and that can lead to heat waves lasting much longer,” said Karen McKinnon, an assistant professor of environment and sustainability at the University of California Los Angeles.

Eventually the high-pressure system will start to weaken, allowing in cooler air and precipitation that can bring the heat wave to an end. However, as the warm season continues, more high-pressure systems can settle in and restart the heating process.

How climate change worsens heat waves

It can be tricky to tease out how a specific weather event was influenced by climate change, but scientists in recent years have been developing models and experiments to figure out just how much humanity’s hunger for fossil fuels is making individual disasters worse. It’s part of a subfield of climatology known as attribution science, and extreme heat is the classical example.

“Heat waves were actually the extreme events that attribution science were pioneered around,” said Jane W. Baldwin, a postdoctoral fellow at the Lamont-Doherty Earth Observatory at Columbia University. “Almost any kind of metric related to heat waves you can imagine is getting worse and is projected to get worse.”

Climate change caused by greenhouse gases from burning fossil fuels is poised to make heat waves longer, more intense, and more frequent. It takes time for the dust to settle on the heat waves of a given moment, to allow scientists to evaluate just how much humans have contributed to the problem.

But researchers looking at past events and other parts of the world have already found that humans share a huge portion of the blame. After a summer 2019 heat wave was blamed for 2,500 deaths in Western Europe, a study found that climate change made the heat five times as likely as it would have been in a world that hadn’t warmed. Heat waves in the ocean have become 20 times as likely as average temperatures have risen. And researchers reported that the 2020 heat wave in Siberia was 600 times as likely due to climate change than not.

The mechanism is simple: The burning of fossil fuels adds greenhouse gases to the atmosphere, which traps more heat energy and pushes up average temperatures — which, in turn, also pushes up extreme temperatures.

That heat isn’t distributed evenly, however. Nighttime temperatures are rising faster than daytime temperatures. “In general, since records began in 1895, summer overnight low temperatures are warming at a rate nearly twice as fast as afternoon high temperatures for the U.S. and the 10 warmest summer minimum temperatures have all occurred since 2002,” according to the National Oceanic and Atmospheric Administration. This can seriously impair how people cope with high heat.

The effects of warming can vary by latitude, too. Polar regions are warming up to three times as fast as the planetary average, fueling heat waves in the Arctic. In fact, cooler parts of the planet are heating up faster than places closer to the equator, so people living in temperate climates may experience some of the biggest increases in extreme heat events. Already hot parts of the world also get hotter, pushing them beyond the realm of habitability at certain times of the year.

And as human-generated greenhouse gas emissions continue to flood the atmosphere — atmospheric carbon dioxide concentrations recently peaked at 420 parts per million — heat waves are projected to become more frequent and more extreme.

Heat wave impacts vary based on a person’s location, health, and even income

While there is some debate about whether extreme heat or extreme cold has a larger public health impact overall, it’s clear that high temperatures exact a huge toll in terms of health and the economy. Here’s how the impacts of scalding temperatures ripple throughout the world, and how they’re shifting as the planet warms.

Heat waves have major direct and indirect health effects: Extreme heat caused an average of 138 deaths per year in the US between 1991 and 2020, according to the National Weather Service. High temperatures increase the likelihood of heat exhaustion and heat stroke. They can raise blood pressure, make certain medications less effective, and worsen neurological conditions like multiple sclerosis.

Air pollution also gets worse as rising temperatures increase the rate of formation of hazards like ozone. Such pollutants in turn exacerbate heart and lung problems.

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The rise in nighttime temperatures is particularly worrisome for public health. Without much overnight cooling, people living through a heat wave experience higher cumulative heat stress, increasing risks of problems like dehydration and disrupting sleep, which can further worsen exhaustion and stress from high temperatures.

Alongside the heat, another important factor to consider for human health is humidity. The amount of moisture in the air affects how well sweat can evaporate off the body and cool it off. In some parts of the world, like the southwestern US, heat waves have become drier. But in other regions like the Persian Gulf and South Asia, higher temperatures are instead increasing humidity.

The key metric here is known as the wet-bulb temperature, where a thermometer is wrapped in a damp cloth, revealing the lowest temperature achievable by evaporative cooling (i.e., sweating) under a given set of heat and humidity conditions. The upper limit wet-bulb temperature for human survival is 95°F (35°C), during which even standing in the shade with unlimited water can be life-threatening.

Since 1979, these dangerous conditions have become twice as common in several regions of the world, including South Asia and the Persian Gulf, researchers found in 2020. They warned that further warming this century could render many of the most densely populated parts of the world uninhabitable during the hottest times of year.

The timing of heat waves is changing: Periods of extreme heat that occur early in the season tend to have greater public health impacts. That’s because people are less acclimated to heat in the spring and early summer. Cooling infrastructure may not be in place, and people may not be taking heat precautions like staying hydrated and avoiding the sun. That’s why early-season heat waves in the US, as we have seen across the country this year, are so troubling. As climate change makes heat waves more common, it also increases the frequency of early- and late-season extreme temperatures, lengthening the hot season.

The worst effects of heat aren’t always in the hottest places: While absolute temperatures may rise higher in already warm areas like the southwestern US, heat waves can have their deadliest impacts in cooler regions, where high temperatures are less common. Warmer areas often already have air conditioning in homes and offices, while regions that usually don’t get as warm have less cooling infrastructure and fewer places to find relief. The people in these regions are also less acclimated to high temperatures and may not recognize warning signs of heat-induced health problems.

Some people are far more vulnerable to extreme heat: Elderly people and very young children face some of the highest risks from extreme heat. People with certain health conditions, like high blood pressure and breathing difficulties, also face greater harm. But even otherwise healthy people can suffer from heat waves if they are exposed for long durations, such as those working outdoors in agriculture and construction.

Heat waves exacerbate structural inequalities: While cities can warm up faster than their surroundings, poorer neighborhoods — which are disproportionately home to people of color — tend to get hotter. These neighborhoods often have less tree cover and green spaces, and more paved surfaces that soak up heat. At the same time, lower-income residents may have a harder time affording crucial cooling. The pattern of heat inequality plays out on an international scale, too, with lower-income countries already facing higher health and economic costs from heat waves.

The tools used to cope with heat are also stressed by it: Power plants, which provide electricity for everything from fridges to air conditioners, themselves need to be cooled, and they become less efficient as the weather warms. Power lines have lower capacities under extreme heat, and hardware like transformers experience more failures. If enough stress builds up, the power grid can collapse just when people need cooling the most. Power disruptions then ripple through other infrastructure, like water sanitation, fuel pumps, and public transit.

We’re running out of time to act: All this means that heat waves are going to become an increasingly impactful and costly fact of life across the world — from the direct impacts on health to stresses on infrastructure.

But since humans share a significant portion of the blame for extreme heat waves, there are also actions people can take to mitigate them. Increasing energy efficiency can relieve stress on the power grid while adding power sources that don’t require active cooling like wind and solar can boost capacity without adding greenhouse gas emissions.

Improving public health outreach and providing more cooling resources and education, particularly in the most vulnerable neighborhoods, could reduce some of the worst human effects. “Basically all of the damages from heat waves, at least on the health side, are preventable if we warn people effectively and just help our neighbors during an event like this,” Baldwin said.

Humanity must curb its output of heat-trapping gases to limit just how hot the planet will get. It may take years or decades for these reductions to show up in the climate system, but they have to begin now.

Offaly boost Division 2 survival hopes after comeback win in Down

Football League Results

Division 2

Down 0-14 Offaly 0-15

Division 3

Antrim 1-19 Longford 0-12

Westmeath 1-12, Limerick 1-6

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OFFALY KEPT THEIR Division 2 survival hopes alive today with a massive comeback win on the road against Down.

The Faithful county were 0-15 to 0-14 winners after a dramatic finish in Páirc Esler, Newry.

Corner back Lee Pearson fisted over the decisive point in the 72nd minute, as the Faithful county came from three points down with 66 minutes on the clock to score the last four points of the basement battle.

Niall McNamee (one free) and Bernard Allen both scored 0-3 for Offaly, while Barry O’Hagan was Down’s top-scorer with four points from play.

This was Offaly’s first win of the league, while the Mourne county hit rock-bottom of the second-tier with the drop — and in turn, Tailteann Cup involvement — looming.

They’re away to Cork next week and face Clare on the final day, while Offaly play Roscommon next week and then host Cork.

Tomorrow’s meeting of the Rebels and Meath is another big clash in the relegation battle.

RESULT. Allianz Football League Div 2@Offaly_GAA 0-15@OfficialDownGAA 0-14

What an unbelievable win! Three points down and we score four in a row against all the odds.

This Offaly team is giving it everything to stay in Division 2. Two home games to come – SUPPORT

— Official Offaly GAA (@Offaly_GAA) March 12, 2022

Earlier today, Antrim impressed in a convincing 1-19 to 0-12 win over Longford at Corrigan Park, which moved them to the top of Division 3 and boosted their promotion hopes.

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Tomas McCann scored the Saffron’s goal through a penalty within the first minute, and they built on their dream start to lead 1-11 to 0-3 at half time. 

McCann finished with 1-3 – his three points coming from play – while Conor Murray chipped in with 0-6, including two marks and a free, for Enda McGinley’s side.

Longford, who struggled through a difficult afternoon, finished with 14 men after Eoghan McCormack was shown his second yellow card.

The defeat puts them back in danger of relegation to the basement division. 

Luke Loughlin was the Westmeath hero as they came from three points down at half-time to outscore Limerick by nine points in the second half and record a 1-12 to 1-6 win.

Downs forward Loughlin scored 1-3, Adrian Enright having scored Limerick’s goal in the first half. The Munster side led 1-5 to 0-5 at half-time but managed just one point in the second half, the wind playing a significant factor in the pattern of the game. After losing to Longford last week, this win was needed for Westmeath who retain a chance of winning promotion.

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