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Teresa Carr

@teresacarr.bsky.social
730 followers 1.6K following 72 posts

Award-winning science journalist based in Colorado. Senior contributor at Undark. '18 KSJ Fellow @ MIT; former Consumer Reports staff. Bylines at The New York Times, The Guardian, Medscape, Sapiens, Texas Monthly, and others. Signal: TeresaCarr.36

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Teresa Carr @teresacarr.bsky.social · 15/07/2026
As the House just voted to make Daylight Saving Time permanent, I'm re-upping this story for @undark.org for why that's not a great idea. Also, why where you live in a time zone may could have more impact on your health than daylight or standard time. undark.org/2024/03/11/t...
undark.org
People Hate Daylight Saving. Science Tells Us Why.
Something is awry about the way we mark time. Can research and policy changes help us reset the clocks?
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Teresa Carr @teresacarr.bsky.social · 01/07/2026
Still a few spots left in this 3 1/2 day Medicine Workshop at Dartmouth. It's free and now the organizers also have a grant to pay hotel costs. I highly encourage anyone who reports on health to take advantage of the opportunity. lisaschwartzfoundation.org/mim/
lisaschwartzfoundation.org
Medicine in the Media | Lisa Schwartz Foundation for Truth in Medicine
2026 Workshop  Medicine in the Media A free, in-person 3½ day workshop held on campus at Dartmouth College (Hanover, NH) to help […]
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Teresa Carr @teresacarr.bsky.social · 03/06/2026
Wait. Subsidies are gone. I pay more than $1,100/mo for an ACA plan for just me. 35% of people supposedly pay $1000s for insurance they don't need? And, yes, a young healthy me went years without filing a claim, especially since high deductibles discourage seeking care.
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Teresa Carr @teresacarr.bsky.social · 22/04/2026
Using this fabulous "new math" the drug company will now pay you $3,000 every time you fill your prescription.
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Teresa Carr @teresacarr.bsky.social · 14/04/2026
Holy moly what a thread! Human checkers are faster than me and I like exchanging pleasantries. But avoiding have an AI accuse you of shoplifting is another great reason to bypass self-checkout.
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Teresa Carr @teresacarr.bsky.social · 10/04/2026
Interesting that a reduced teen birth rate is framed as a "problem."
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Teresa Carr @teresacarr.bsky.social · 03/04/2026
This is the way.
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Teresa Carr @teresacarr.bsky.social · 20/03/2026
Who among us in a misspent youth has not partied too hard and regained sentience in front of a plate of waffles? www.cnn.com/2026/03/20/p...
cnn.com
A Top FEMA official has history of violent rhetoric threats and said he once teleported to Waffle House | CNN Politics
As millions of Americans braced for a series of brutal storms this winter, the senior official in charge of the federal government’s disaster response had been on the job only a few weeks — and had pr...
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Teresa Carr @teresacarr.bsky.social · 20/03/2026
All the times I got away with ID-less snow shoveling in NY [rubs hands together and leers like a cartoon villain.]
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Teresa Carr @teresacarr.bsky.social · 18/03/2026
Out the abusers, every last one. Topple the statues. Erase their names from roads and schools. There are plenty of heroes to celebrate. Move forward. www.nytimes.com/2026/03/18/u...
nytimes.com
Cesar Chavez, a Civil Rights Icon, Is Accused of Abusing Girls for Years
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Teresa Carr @teresacarr.bsky.social · 28/01/2026
At the heart of the parable of blind men describing parts of an elephant, there stands an actual elephant. Journalism's job is to convey the reality of the elephant, not portray each dissenting view as a potentially accurate depiction of the whole.
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Teresa Carr @teresacarr.bsky.social · 26/01/2026
If it’s close enough for horseshoes and hand grenades, it’s good enough for air travel, amiright?
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Carl Zimmer @carlzimmer.com · 25/01/2026
Newsmax fabricated a quote from me about my father Richard Zimmer today. They never contacted me. It's not just outrageous but funny. He was talented in many ways, but most definitely not at golf or cooking or craftsmanship. www.newsmax.com/john-gizzi/z...
One of many error-ridden paragraphs in an article about Richard Zimmer: "His son Carl Zimmer, a popular science writer, recalled his father as 'a talented golfer, a great cook, and a skilled craftsman who took pride in every project around the house.'”
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Teresa Carr @teresacarr.bsky.social · 25/01/2026
Yes, if one person says it’s raining and someone else says it’s not, open the window and see.
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Jay Rosen @jayrosen.bsky.social · 08/01/2026
I read this paragraph four times. Not because it's murky, but to let the message sink in. www.cjr.org/tow_center/b... If an information company is clear and determined in supporting (not "saving') democracy, then it can be a home for good journalism. If not then the press must disengage. Now.
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Teresa Carr @teresacarr.bsky.social · 19/11/2025
Or punish them for being sick. I was completely healthy until a routine mammogram revealed a small, nasty breast cancer that I’m in the process of stomping into oblivion. My premiums should go up? FFS, I’m a human being, not a car or a house.
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Teresa Carr @teresacarr.bsky.social · 02/11/2025
It’s not just about springing forward and falling back; time zones are also out of whack. Revisiting this look at the implications of how we mark time.
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Teresa Carr @teresacarr.bsky.social · 17/10/2025
On avg, having a baby in the U.S.costs nearly $3,000 out of pocket; infant childcare costs about $18,000/yr. (And far more in some areas.) Can't imagine why Americans aren't popping out more kids.
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Teresa Carr @teresacarr.bsky.social · 02/10/2025
Curious about THC inflation and contamination in legal cannabis? I'm on Reddit today at noon PT/3p ET to talk about my investigative reporting for @Undark. Ask me anything!
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Teresa Carr @teresacarr.bsky.social · 26/09/2025
I’ve updated a ‘23 Undark story that takes a deep dive into the data on the potential link between prenatal use of acetaminophen and neurodevelopmental disorders. It reflects the uncertainty and nuance that is missing in much of the coverage. I hope you’ll read and share. undark.org/2023/07/10/c...
undark.org
Can In-Utero Exposure to Acetaminophen Cause Autism and ADHD?
The question is a matter of fierce debate among scientists. Now it's making its way into the courtroom.
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Teresa Carr @teresacarr.bsky.social · 23/09/2025
To answer key questions about a possible link between acetaminophen and autism, I recommend this deep dive I did for @Undark in '23. Since then, a review of 46 studies found inconsistent evidence and a Swedish study of siblings (one exposed; one not) found no association. undark.org/2023/07/10/c...
undark.org
Can In-Utero Exposure to Acetaminophen Cause Autism and ADHD?
The question is a matter of fierce debate among scientists. Now it's making its way into the courtroom.
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Teresa Carr @teresacarr.bsky.social · 06/08/2025
Good Lord, no. You are not interviewing Joaquin Oliver and this is not journalism.
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Teresa Carr @teresacarr.bsky.social · 23/07/2025
What could go wrong?
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Pulitzer Center @pulitzercenter.org · 22/07/2025
The U.S. struggles to regulate the booming cannabis market without federal guidance. Legal cannabis products often fail independent tests for THC, pesticides, & heavy metals. Grantee @teresacarr.bsky.social‬, @aleszu.bsky.social, and Paulina Rowińska report for @undark.org. bit.ly/3UoiVpJ
bit.ly
Weed Regulation Is Foundering. For Answers, Look to the Labs
Lots of legal marijuana is sold with inflated THC levels or unsafe contaminants. Can the oversight system be reformed? On the Friday before Thanksgiving last year, the white dome of the Oklahoma State...
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Chris Hendel @chrishendel.bsky.social · 16/07/2025
Weed Regulation is Foundering. For Answers, Look to the Labs by @teresacarr.bsky.social for @undarated.bsky.social Lots of legal #marijuana is sold with inflated #THC levels or unsafe contaminants. Can the oversight system be reformed? undark.org/2025/07/16/c...
undark.org
Weed Regulation is Foundering. For Answers, Look to the Labs
Lots of legal marijuana is sold with inflated THC levels or unsafe contaminants. Can the oversight system be reformed?
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Teresa Carr @teresacarr.bsky.social · 16/07/2025
My investigation on the cannabis industry for @undark.org — supported by @pulitzercenter.bsky.social — took me from farms in OR to MA testing labs to the OK capitol, uncovering corruption and highlighting change makers along the way. It's quite the ride. Enjoy! undark.org/2025/07/16/c...
undark.org
Weed Regulation is Foundering. For Answers, Look to the Labs
Lots of legal marijuana is sold with inflated THC levels or unsafe contaminants. Can the oversight system be reformed?
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Teresa Carr @teresacarr.bsky.social · 15/07/2025
Or — hear me out — maybe the key question is how girls who were raped find justice.
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Teresa Carr @teresacarr.bsky.social · 09/07/2025
I'm currently in treatment for an aggressive breast cancer, so this is personal. But, good grief, cancer touches every family. This affects everyone. kffhealthnews.org/news/article...
kffhealthnews.org
World’s Premier Cancer Institute Faces Crippling Cuts and Chaos - KFF Health News
After spearheading a 34% cut in cancer mortality, the National Cancer Institute at the NIH is bleeding resources and staff and could see its budget cut by nearly 40%.
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Teresa Carr @teresacarr.bsky.social · 04/07/2025
@nytimes.com You know what would be awesome to have right about now? A public editor.
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Teresa Carr @teresacarr.bsky.social · 14/06/2025
Godspeed to journalists covering the protests. Be safe. Shine a light.
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Atul Gawande @agawande.bsky.social · 24/05/2025
“No children are dying on my watch,” said Rubio. It's blatantly false. Credible estimates count 190K deaths so far. In Kenya, I am seeing devastating impact, incl this child's starvation & many deaths directly caused by Rubio’s actions. More in my @msnbc.com clip. www.instagram.com/atul.gawande...
instagram.com
Atul Gawande on Instagram: "“No children are dying on my watch,” said Rubio. It's blatantly false. So far, 190,000 children and 90,000 adults have died due to the dismantling of USAID (even assuming...
9 likes, 0 comments - atul.gawande on May 24, 2025: "“No children are dying on my watch,” said Rubio. It's blatantly false. So far, 190,000 children and 90,000 adults have died due to the dismantlin...
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Teresa Carr @teresacarr.bsky.social · 15/05/2025
Kudos to @consumerreports.org @theguardian.com and FERN for this investigation of price gouging at Kroger. I've caught overcharges, and had them corrected, but like most folks, I can hardly check prices on my entire cart every time I chart. www.consumerreports.org/money/questi...
consumerreports.org
Kroger Stores Overcharging Shoppers on Sale Items, CR Price Check Finds - Consumer Reports
Consumers say Kroger has a price tag problem, resulting in overcharges for many grocery items. We sent shoppers to stores to check.
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Tom Zeller Jr. @tomzellerjr.com · 24/04/2025
If these trying times are giving you a headache, have I got the book for you! And for a limited time, you can get 25% off @barnesandnoble.com.
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Teresa Carr @teresacarr.bsky.social · 24/04/2025
We’ve grown accustomed to pretty safe food. Reupping this post from the wonderful @deborahb.bsky.social as a reminder of why food regulations are a good thing.
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Teresa Carr @teresacarr.bsky.social · 23/04/2025
It does make one wonder if those axing federal funding for biomedical research decided that studying the health of elderly women simply wasn’t relevant.
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Teresa Carr @teresacarr.bsky.social · 21/04/2025
You could go with the menstrual cycle classes b/c women are too stupid to know how to make babies. OR, hear me out, decent wages, low-cost healthcare, paid maternity leave, affordable childcare, and universal pre-K.
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Teresa Carr @teresacarr.bsky.social · 11/04/2025
Oh FFS. One of the many reasons outlets need actual science journalists to report on science.
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Laura Hazard Owen @laurahazardowen.bsky.social · 02/04/2025
How to leak to a journalist! featuring a bunch of good advice from those who know: @marisakabas.bsky.social @amandabecker.bsky.social @jeffhorwitz.bsky.social @rmac.bsky.social @swin24.bsky.social @juliaangwin.com @benmullin.bsky.social & @maxtani.bsky.social
niemanlab.org
How to leak to a journalist
Planning to leak? Read these tips first.
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Governor Jared Polis @colorado.gov · 01/04/2025
No one likes an unflattering photo or painting of themselves, which is why I went against the grain for my official portrait… #AprilFools
South Park character style of Governor Jared Polis.South Park character style of Governor Jared Polis.
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Teresa Carr @teresacarr.bsky.social · 24/03/2025
"By God, I fulfilled my duty as a journalist. I risked everything to report the truth..." RIP Hossam Shabat.
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Teresa Carr @teresacarr.bsky.social · 22/03/2025
Apparently the autopen has become sentient and is acting of it’s own accord.
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Teresa Carr @teresacarr.bsky.social · 22/03/2025
Oh FFS, my mother worked her whole life for her Social Security and now depends on it to live. You damn well better believe she’d call and complain if her check didn’t show. I can’t believe that the “good guy” in this story is the person who doesn’t care if the government keeps their hard-earned $$.
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Carl T. Bergstrom @carlbergstrom.com · 19/03/2025
1. For the past thirty years I've had the best job in the world. 
I've had the opportunity to follow my curiosity; explore the workings of nature and society; mentor students and junior colleagues in the same process; and teach generations of students about it all.
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Apoorva Mandavilli @apoorvanyt.bsky.social · 07/03/2025
Organizations funded by the United States helped keep dangerous pathogens in check around the world. Now many safeguards are gone, and Americans may pay the price. www.nytimes.com/2025/03/07/h...
nytimes.com
How Foreign Aid Cuts Are Setting the Stage for Disease Outbreaks (Gift Article)
Organizations funded by the United States helped keep dangerous pathogens in check around the world. Now many safeguards are gone, and Americans may pay the price.
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Teresa Carr @teresacarr.bsky.social · 05/03/2025
The problem with using an amoral AI to both-sides everything is that inevitably it will make the case for evil. www.thedailybeast.com/maga-newspap...
thedailybeast.com
MAGA Newspaper Owner’s AI Bot Defends KKK
An AI-generated summary tried to offer “different views” on the hate group.
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Teresa Carr @teresacarr.bsky.social · 04/03/2025
Trading Tesla for Mercedes. Wee bit of irony that.
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Teresa Carr @teresacarr.bsky.social · 04/03/2025
Oh for heaven's sake. The right says it's raining, the left says it isn't. A journalist sticks her head out the window and reports that the sun is shining and the AI labels the story biased? @latimes.com owner misunderstands the point of journalism. www.hollywoodreporter.com/business/bus...
hollywoodreporter.com
L.A. Times Owner Adds Bias Meter, AI-Generated Copy On Articles, Drawing Criticism From Guild
The newspaper's new "Insights" tool, which situates stories along the political spectrum, "risks further eroding confidence in the news," says one union leader.
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Teresa Carr @teresacarr.bsky.social · 04/03/2025
OK, but backyard chickens can still get bird flu. Plus, the coyotes, mountain lions, and bobcats where I live are probably going to eat them.
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Alt National Park Service @altnps.bsky.social · 01/03/2025
Elon updated DOGE, claiming to have fixed the mistakes we all pointed out. But instead of correcting them, he just added more false claims. He even inflated his so-called “savings” total from $55 billion to $65 billion, when in reality, the actual increase is only from $2 billion to $2.3 billion.
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Melody Schreiber @melodyschreiber.com · 01/03/2025
Great, I’ll hunt, you gather
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