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Brenton Wiernik

@bwiernik.bsky.social
3.9K followers 691 following 534 posts
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Reposted by Brenton Wiernik
Grant @syncingsinking.bsky.social · 08/09/2026
Now that Bluesky seems to have automatic thread numbering, a short thread on the probability of winning the Monty Hall problem if you stick.
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Danielle Navarro @djnavarro.net · 06/08/2026
The title is a little pointed, but I am very serious here. Academics, medical researchers, and other organisations should not collect data on birth sex. It is rarely relevant, and it almost always leads to privacy violations for transgender people. Please share. I would like people to read this one.
blog.djnavarro.net
Separating sex and gender is statistical malpractice – Notes from a data witch
Statisticians and academics in Australia should ignore the terrible advice of most LGBTIQA+ organisations and read this post instead. The 2020 ABS standard is almost never the correct way to collect d...
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Brandon @bedubble.bsky.social · 20/08/2026
Illinois progressives can we just not with this progressive-washing language around user fees for driving.
OPEN ROAD TOLLING )L ARMY TRAIL RD PLAZA 73
Army Trail F
KEEP RIGHT
Lake St
Army That Rd
LET'S ADDRESS ILLINOIS
State Tollway Board Approves Record Toll Hike in Blatant Attack to Working Class Illinoisans
Illinois leadership really let us down
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OB Cycler @obcycler.bsky.social · 09/08/2026
Ban right turn on red. Drivers have proven repeatedly that they can't handle the responsibility.
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Berna Devezer @devezer.bsky.social · 02/08/2026
I also have this thread on our chapter
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Erin Dwyer aka Ginger Is A Construct @erindwyer.bsky.social · 28/07/2026
Was just talking with a friend about how jeans, a red checked button down shirt and a newspaper from that day is an easy dead Mitch McConnell Halloween costume and now she sends me this:
The scene from Devil Wears Prada where Emily Blunt and Gisele Bundchen are dressed like stylish snobs asking straight brown haired Anne Hathaway what she’s wearing only now Hathaway is in a red checked button down and the print says “are you wearing the MIT…” “the Mitch McConell proof of life photo ensemble? Yes I am.”
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Governor Tim Walz @governorwalz.mn.gov · 28/07/2026
Donald Trump cut fire prevention to give Elon Musk a tax break. www.startribune.com/report-doge-...
startribune.com
Report: DOGE delayed fire-prevention plan for Echo Trail near Ely
Washington Post reporting supports the allegations of a former Forest Service ranger now running for the Legislature.
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Dan Silverman @dmsilverman.bsky.social · 28/07/2026
Surveys like this always alarm people Fortunately, recent research from cognitive psychology shows that the reason people are so wildly wrong when estimating the size of minority groups is largely NOT because of prejudice — but rather how humans think about unknown proportions of any kind
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Jennifer N. Victor @jenvictor.bsky.social · 24/07/2026
Today, in violations of the rule of law that would be sufficient for impeachment in any other American presidency but aren't in this one because pathological partisan loyalty has rotted the constitutional order:
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Brenton Wiernik @bwiernik.bsky.social · 26/07/2026
Post a perfect album from the 90's that isn't Nirvana, Soundgarden, Pearl Jam, or Alice In Chains
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Josh Grubbs @joshuagrubbsphd.com · 26/07/2026
Accurate scientific reporting on rigorous research is my passion
Headline reading:

Ageing
Restricted eating hours may reduce cognitive decline in older age, researchers find Preliminary study shows older people who avoided food four hours before bed did better in problem solving tests
Ian Sample Science editor
Sun 26 Jul 2026 09.30 EDT
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Dr. Stephanie @punkrockscience.bsky.social · 22/07/2026
I just saw a meme that said “get in losers, we’re reclaiming the emdash”. People. PEOPLE. Where are your STANDARDS? It CLEARLY should be “get in, losers — we’re reclaiming the em dash.”
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Brent Toderian @brenttoderian.bsky.social · 14/07/2026
Heard this one? The City of Barcelona traded 3 lanes of vehicle traffic for an exceptional 4.7 km green pedestrian corridor in the heart of the Eixample grid. Businesses sued, & eventually won in court. Then they admitted that they actually like the change. Streets for people are good for business.
citylabbcn.org
The Legal Attack on Superblock Barcelona - City Lab Barcelona
In this blog post, I attempt to unpack what this court ruling is about, the legal arguments, and who is behind it. Did the city really do something wrong?  What will happen to the Consell de Cent proj...
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Dr. Lindsay Stallones Marshall (she/her) @lindstorian.bsky.social · 13/07/2026
Also: this isn’t just about science. This will devastate the entire federal grant funding process, which means all academic research grants, arts grants, community project grants, agriculture grants, conservation grants, etc. Please leave a comment opposing this change.
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David Ho @davidho.bsky.social · 22/06/2026
The rise of larger vehicles like SUVs and pickup trucks, with their taller hoods and larger blind zones, has contributed to a 75% increase in pedestrian and cyclist deaths since 2009. Until we design better streets and ban these vehicles, people outside these vehicles will keep dying.
nytimes.com
The Deadly Rise of Giant Trucks and S.U.V.s (Gift Article)
The vehicles on American roads have grown larger — and they are killing thousands more pedestrians, a Times investigation found.
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Uriel Menalled @urielmenalled.bsky.social · 23/06/2025
Shout out to the #rstats {performance} package. Its check_model() function is super helpful for model evaluation. #statistics #STEM
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Ed Burmila @edburmila.bsky.social · 05/05/2026
Class in the US is entirely a matter of aesthetics now. Rich suburban kids are “country”. Beard Dudes who look like they love IPAs are “working class.” Teachers who make $32,000 a year but have to dress up sort of nice in JCPenney clothes are “elites“. None of these words mean anything anymore.
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Prasad Jallepalli, MD, PhD @prasad.bsky.social · 04/05/2026
this is how we heal the nation and ourselves headed to Wisco later this week my body is ready
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Katelyn Burns @katelynburns.com · 27/04/2026
I want cis Americans to sit uncomfortably with the fact that most of these restrictions were ushered in through the liberal act of "just asking questions" about trans people.
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Veronica @veronicaf.bsky.social · 17/04/2026
Jasper has many many many opinions. He is very cute, if slightly loud.
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Matt Brown @mattbrown.bsky.social · 11/04/2026
Okay CTA. This is a good sign.
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Don Moynihan @donmoyn.bsky.social · 06/04/2026
This is not lets-propose-this-and-see-what-Congress-says. Their plan is more like USAID: eliminate before Congress can weigh in.
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Neil Lewis, Jr. @neillewisjr.bsky.social · 05/04/2026
"Many said they mourned an America that valued knowledge for its own sake."
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Josh Grubbs @joshuagrubbsphd.com · 05/04/2026
yep, my kid's life saving cystic fibrosis medications that literally correct the specific protein defects that cause CF at the cellular level are due to small molecule drugs, developed by big pharmaceutical companies, addressing targets identified by NIH research
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Sacred Chicken 🐓 @chirp0403.bsky.social · 02/04/2026
They’re destroying more than fifty research facilities across thirty-one states, labs that house decades of irreplaceable long-term science, the kind you literally cannot restart once it’s gone. #USForestService
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CNN @cnn.com · 26/03/2026
Every Justice Department or FBI employee who worked on the criminal investigations into President Donald Trump has been fired, resigned, or took early retirement, Deputy Attorney General Todd Blanche said. cnn.it/4ddkUrI
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D. Hicks @danhicks.bsky.social · 25/03/2026
I need to like this one at least four times
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Josh Grubbs @joshuagrubbsphd.com · 25/03/2026
My 11 year-old lives like a normal 11-year-old instead of a chronically ill child who was likely halfway through his life already because of the triumphs of science that are still occurring
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Leonard Euler d'Moogle 🍁🍡🏒 @leonardeuler.bsky.social · 24/03/2026
"There's no we we could do that in the US." 20 years ago there was no way they could do it in France, but here we are.
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Darren Dahly @statsepi.bsky.social · 23/03/2026
Remember that time trump was being successfully being prosecuted for serious crimes and everyone in charge dragged their feet because they didn't want white supremacists to be mad at them?
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Flying Mezerkis @bananapantz.bsky.social · 23/03/2026
If these were scientists on a NIH grant; or “bureaucrats” at the DoL (read female & black) there would be a 15m Fox segment about waste, fraud and abuse.
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Brenton Wiernik @bwiernik.bsky.social · 14/03/2026
+ geom_pie()
A picture of an apple pie with a lattice crust, with a scatterplot and fit line drawn in icing on top using the lattice as a grid
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Craig McCormick @craigmccormick.bsky.social · 21/02/2026
Paging the Spring Garden Road Merchants Association
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Adam Isacson @adamisacson.com · 20/02/2026
8 in-custody deaths in 50 days—one every 6 days. This needs to be a much larger story.
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Bill Kristol @billkristolbulwark.bsky.social · 16/02/2026
"It is beyond comprehension that the Senate confirmed this man to oversee America’s health. The risks are so immediate and constant that it can be difficult to keep track of them all." open.substack.com/pub/thebulwa...
open.substack.com
The Disastrous First Year of RFK Jr.
The damage the HHS secretary has done to science and public health is appalling—and it could have been avoided.
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Silky @silkyweineck.bsky.social · 16/02/2026
and once again: student-run papers are the free press now www.michigandaily.com/news/former-...
michigandaily.com
Former Michigan Medicine dean omitted multimillion-dollar pharma ties in multiple publications, Daily investigation finds
Over a decade marked by a pandemic and nationwide cuts to health care funding, Marschall S. Runge led Michigan Medicine in a historic triple-leadership position. He served as executive vice president ...
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Conrad Hackett @conradhackett.bsky.social · 16/02/2026
Where the teens are YouTube 92% TikTok 68% Instagram 63% Snapchat 55% Facebook 31% (down from 71%) WhatsApp 24% Reddit 17% X 16% (down from 33%) www.pewresearch.org/internet/202...
Chart showing YouTube stands out for being used by nearly all teens. Roughly nine-in-ten report ever using it. About six-in-ten or more say they use TikTok and Instagram. A somewhat smaller share say they go on Snapchat (55%). Fewer use Facebook (31%) and WhatsApp (24%). And no more than about one-in-five say the same of Reddit or X (formerly Twitter).  WhatsApp is one platform that stands out for its growth in recent years. Today, roughly a quarter of teens say they use WhatsApp, up from 17% in 2022. X and Facebook have declined in use over the past decade. Today, 16% of teens use X, down from 23% in 2022 and 33% in 2014-15. And Facebook, once the go-to platform for teens, is used today by about three-in-ten teens. This is far lower than the 71% in 2014-15, though on par with 2022. The shares of teens who use other sites or apps, like YouTube, TikTok and Instagram, have stayed relatively stable in recent years.
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Anna Brown @aebrown.bsky.social · 02/06/2025
Belated congrats to my Pew Research colleagues on publishing this groundbreaking study - one of the first surveys to have a probability-based sample of transgender adults large enough to reliably report their views and experiences. www.pewresearch.org/social-trend...
pewresearch.org
The Experiences of LGBTQ Americans Today
How lesbian, gay, bisexual, transgender and queer adults view the impact of Obergefell and social acceptance for LGBTQ people more broadly 10 years after the Supreme Court decision legalizing same-sex...
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Dara Lind @daralind.bsky.social · 13/02/2026
This is actually an ESSENTIAL articulation of this admin’s immigration policy. Policymaking is about weighing equities. In normal policymaking, the rights of the people you’re going after count as an equity. It appears for all the world that this administration’s decisionmaking simply ignores them.
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Evan Bernick, a finite mode with a smol hooman and a lorg floof @evanbernick.bsky.social · 10/02/2026
this is incredibly frustrating. By framing this as a policy demand Dems are aiding a disinformation campaign that is intended to confuse the public about what is constitutionally required.
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Aaron Rupar @atrupar.com · 22/01/2026
Hi everyone -- there is a general strike in Minnesota tomorrow to protest what the Trump administration and DHS are doing to our community. In solidarity with the action, I am going to donate my revenue from tmrw's newsletter to People over Papers, the Midway-Hamline Diaper Bank, & Every Meal. (1/2)
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Timothy Burke @bubbaprog.xyz · 22/01/2026
literally every bad thing in this country right now is the result of Republicans saying "we'll get sued over this, but..." it's genuinely pathetic that Democrats won't do the same in order to protect people's rights
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Constantine @ajaxsinger.bsky.social · 20/01/2026
Just shitty things being done by shitty people for even shittier reasons.
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Brenton Wiernik @bwiernik.bsky.social · 10/01/2026
@rmcelreath.bsky.social I was watching Jeopardy! today and there was a clue about Ulam—I shouted “Father of Monte Carlo computation” but apparently answer was “Father of the H-Bomb”
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Jim Alwine @jimalwine.bsky.social · 27/12/2025
Robert F. Kennedy Jr. has stated that the 1918 flu pandemic was caused by a lab virus from vaccine research, a defective influenza vaccine. Let’s analyze what a lie this is. First, in 1918, 107 years ago, virology was in its infancy
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Michael Friendly @datavisfriendly.bsky.social · 28/11/2025
#rstats It is with profound sadness I heard that my long-time friend and colleague, John Fox passed away this week. He was the author of {car}, {effects}, {Rcmdr}, ... and numerous influential books. I will miss him greatly. www.john-fox.ca
john-fox.ca
John Fox: Books and Software
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Marcus Crede @marcuscrede.bsky.social · 06/11/2025
I appreciate the intention but I really wish that faculty paid much less attention to these personal statements. You have no idea who wrote them (esp. in the age of LLMs) and applicants for whom English is not their primary language may be stellar but not be able to ace these types of nuances.
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Ursula @ladyofsardines.bsky.social · 06/11/2025
In the last week, states of emergency declared for kidnappings & starvation.
opb.org
Washington County declares emergency over increased ICE activity
Hillsboro, Washington County set aside a combined $400,000 to help communities impacted by immigration arrests.
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Aaron Sojourner @aaronsojourner.org · 03/11/2025
How does employer access to prisoners’ labor through work release impact the well-being of those workers & of free workers? New working paper by Sue Helper, Suresh Naidu, Akseli Palomaki, Adam Reich, + me provides evidence, focus on auto manufacturing in AL #EconSky papers.ssrn.com/sol3/papers....
Coercion and Monopsony in Modern American Manufacturing: Evidence from Alabama Prison Labor
Susan Helper Suresh Naidu Akseli Palomaki Adam Reich
Aaron Sojourner

We study coercion and monopsony in contemporary U.S. manufacturing labor markets. We combine administrative data from the Alabama Department of Corrections work release program with a unique survey of workers in the Alabama auto supply chain
where workers report their work-release status. We first present descriptive patterns of work-release labor, finding that the use of incarcerated (i.e., work-release) labor is concentrated in the auto supply industry, especially in the Montgomery area, where
Hyundai’s assembly plant is located. In the survey, the share of plant-level workers who are incarcerated is negatively correlated with non-incarcerated wages. The survey also enables estimation of hypothetical quit elasticities separately among incarcerated
and non-incarcerated workers. Incarcerated workers are estimated to have quit elasticities less than half that of non-incarcerated workers. Because Alabama law requires employers to pay the same wage to incarcerated and non-incarcerated workers in the same jobs, the additional monopsony power introduced by employer access to incarcerated workers creates an incentive and ability for employers to reduce plant-level wages to, and employment of, non-incarcerated workers. We build a quantitative model of firm-specific labor supply that, for incarcerated workers, distinguishes the roles of coercion (the risk of physical harm in prison from not working), wage garnishment that blunts the consumption effect of higher wages, and monopsony (limited mobility across employers). Using it, we estimate effects on free and incarcerated workers’ welfare from i) reforming prison conditions to eliminate violence, ii) eliminating prison labor wage
garnishment, iii) imposing a $15 minimum wage, &iv) abolishing prison labor. Free worker welfare goes up in all scenarios...
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Pat Host @pathost.bsky.social · 31/10/2025
Drivers kill 40,000 Americans and injure and maim hundreds of thousands every year and throw ranging temper tantrums when anyone suggests they delay arriving at their destination by five minutes to stem the bloodletting.
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