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Meghan Rosen

@megrosen.bsky.social
2.2K followers 233 following 120 posts

Senior writer @sciencenews.bsky.social. Biochem Ph.D. Covering health, medicine, bio. Sometimes posting my cats. Signal: megrosen.84

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Reposted by Meghan Rosen
Erin Garcia De Jesús @viruswhiz.bsky.social · 22/10/2025
It's me. The first raise is higher than my yearly salary. (And the 2nd comes VERY close.)
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Meghan Rosen @megrosen.bsky.social · 03/11/2025
I’ll be there!
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Reposted by Meghan Rosen
Washington-Baltimore News Guild @wbng.org · 05/09/2025
🚨RELEASE: After 500 days at the table with no fair contract, Science News Media Guild members (@sn-media-guild.bsky.social) have authorized a strike. Bosses are stalling. Workers are ready to fight. ✊ wbng.org/2025/09/05/s...
wbng.org
Science News Media Guild authorizes strike as union marks 500 days of bargaining with no contract - Washington-Baltimore News Guild
Members of Science News Media Guild recently voted by 92% to authorize a strike against the Society for Science if necessary.
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Reposted by Meghan Rosen
Science News Media Guild @sn-media-guild.bsky.social · 22/08/2025
BREAKING: Workers of @sn-media-guild.bsky.social voted with 92% support to authorize a strike, with 89% of members participating. We're ready to do whatever it takes to get the fair contract we deserve. See our comments below to learn more about how to help our efforts! @society4science.bsky.social
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Meghan Rosen @megrosen.bsky.social · 21/08/2025
We look forward to getting our print copy in the mail every month!
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Meghan Rosen @megrosen.bsky.social · 21/08/2025
Winding down mRNA vaccine research for infectious diseases may not seem like a big deal. But it could have a chilling effect on the development of mRNA-based medicines in general. That includes meds for treating cancer. Here’s what we stand to lose: www.sciencenews.org/article/mrna...
sciencenews.org
mRNA vaccines hold promise for many diseases. Now the tech is under fire
Researchers warn that halting federal contracts for mRNA vaccine research could weaken pandemic preparedness and slow medical advances.
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Reposted by Meghan Rosen
The Washington Post @washingtonpost.com · 07/07/2025
The United States has recorded its highest annual measles cases in 33 years. The milestone marks a public health reversal in defeating a highly contagious, vaccine-preventable disease as the anti-vaccine movement gains strength.
washingtonpost.com
U.S. measles cases reach 33-year record high as outbreaks spread
Johns Hopkins University data reflects the public health reversal in defeating the vaccine-preventable disease since measles was officially eliminated from the U.S. in 2000.
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Meghan Rosen @megrosen.bsky.social · 03/07/2025
For a good recap on the latest U.S. vaccine policy tumult, check out @thsaey.bsky.social's story: At the June ACIP meeting, “debunked science, an apparent nonchalance about preventable deaths and confusion over basic testing procedures often took center stage." www.sciencenews.org/article/vacc...
sciencenews.org
Vaccine policy in the U.S. is entering uncharted territory
A key advisory group vows to base decisions on evidence, boost confidence in vaccines and protect health. Experts fear the opposite is happening.
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Meghan Rosen @megrosen.bsky.social · 02/07/2025
I love a good The Martian reference.
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Meghan Rosen @megrosen.bsky.social · 02/07/2025
This type 1 diabetes study included only about a dozen people, but the results are impressive. A year after cell therapy, 10 of 12 people no longer needed supplemental insulin. That’s big, but we need data from more patients. (It's in the works; ETA is 2026.) www.sciencenews.org/article/type...
sciencenews.org
A new diabetes treatment could free people from insulin injections
In a small cell therapy trial, 10 out of 12 people with type 1 diabetes no longer needed supplemental insulin, even a year after treatment.
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Reposted by Meghan Rosen
STAT @statnews.com · 25/06/2025
News: The American Academy of Pediatrics says it will no longer take part in the process of ACIP meetings. “We won’t lend our name or our expertise to a system that is being politicized at the expense of children’s health,” the group's president says. www.statnews.com/2025/06/25/c...
statnews.com
CDC vaccine advisory committee to review long-approved immunizations
A leader of the CDC's reconstituted vaccine advisory committee said the panel would start a review of long-approved shots.
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Meghan Rosen @megrosen.bsky.social · 25/06/2025
If you have a minute, please consider signing our petition. It’s been more than 400 days since our union formed, and we’re still fighting to get a fair contract. 🙏 #unionstrong #solidarity
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Meghan Rosen @megrosen.bsky.social · 24/06/2025
We hear a lot about what foods to cut from our diets, but what stood out to me at the recent #Nutrition2025 meeting was the opposite. What foods should we be *adding* to our plates? (The answers probably won't surprise you!) www.sciencenews.org/article/heal...
sciencenews.org
Want to eat healthier? Add to your diet, rather than limit it
Nutrition experts say add more greens and beans to your diet; cooking classes can teach people to make these nutrient-dense foods taste delicious.
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Meghan Rosen @megrosen.bsky.social · 12/06/2025
I love working with my colleagues at @sciencenews.bsky.social and so hope we can all get a fair contract soon. 411 days is a long time… @society4science.bsky.social
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Meghan Rosen @megrosen.bsky.social · 12/06/2025
I truly love reading about the physics of fun stuff like this. “The secret to record-setting splashes hinges on a butt-first, V-shaped entry and a well-timed, underwater follow through.” www.sciencenews.org/article/bigg...
sciencenews.org
How to get the biggest splash at the pool using science
Move over belly flops and cannonballs. Manu jumps, pioneered by New Zealand’s Māori and Pasifika communities, reign supreme.
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Meghan Rosen @megrosen.bsky.social · 09/06/2025
I had an interesting conversation with former #FDA commissioner Robert Califf. He said recent cuts could erode our food safety system - and it’s hard to predict where it may start to crumble. “There are a gazillion places where things could go wrong.” www.sciencenews.org/article/milk...
sciencenews.org
FDA cuts imperil food safety, but not how you might think
Layoffs at the FDA, USDA and CDC could erode the U.S. food safety system. Experts aren’t so worried about milk or chicken today; they’re concerned about the future.
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Meghan Rosen @megrosen.bsky.social · 06/06/2025
If remote work is working for people, why change it?
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Meghan Rosen @megrosen.bsky.social · 06/06/2025
I’ve been making endless dense bean salad recipes lately, so writing this story about chickpeas felt like perfect timing. One cup a day is doable! #nutrition #science www.sciencenews.org/article/chic...
sciencenews.org
A cup of chickpeas a day lowers cholesterol
Adding a cup of chickpeas or black beans to people’s daily diets could improve health by lowering cholesterol and inflammation, a new study suggests.
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Meghan Rosen @megrosen.bsky.social · 05/06/2025
We don't know how exactly micro- and nanoplastics affect human health... but the picture from animal studies is not looking good. www.sciencenews.org/article/nano... #science
sciencenews.org
A diet full of tiny plastics triggered health problems in mice
Mice exposed to polystyrene nanoplastics developed problems in their guts and livers. It’s not yet clear if humans are similarly affected.
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Reposted by Meghan Rosen
Tina Saey @thsaey.bsky.social · 03/06/2025
Baby KJ went home today! He has a rare genetic disease that was treated with personalized gene editing. My story on what it will take for more people like KJ to get treatment for their genetic disorders. www.sciencenews.org/article/pers... Photo credit: CHOP #science 🧪
A baby wearing a sky-blue graduation cap and gown sits in a crib in a hospital room. He has yellow feeding tube in his nose.
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Meghan Rosen @megrosen.bsky.social · 02/06/2025
Mankai! I’m new to the nutrition beat and just learned about this food at #Nutrition2025 Have you heard of it? It’s a tiny aquatic plant from Southeast Asia. Also known as watermeal and duckweed. Also a folate superstar. Also a complete protein. Also very cute. www.loc.gov/everyday-mys...
loc.gov
What is the smallest flower in the world?
Watermeal. (Wolffia spp.)The smallest species of vascular plants in Europe – Spotless watermeal, Wolffia arrhiza – on human fingers.Every single speck of less than 1 mm length is an individual plant. ...
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Meghan Rosen @megrosen.bsky.social · 02/06/2025
I didn’t expect to see puppies at the #Nutrition2025 meeting, but they made my day.
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Meghan Rosen @megrosen.bsky.social · 01/06/2025
A common theme at the #Nutrition2025 meeting: Just eat more fiber. Please. 😅 In the US, the recommended amount is 25g/day for women, 38g/day for men. Americans are getting around half that. 🤯
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Meghan Rosen @megrosen.bsky.social · 01/06/2025
Excellent talk this morning on the importance of teaching people how and what to cook. It’s not so much about what *not* to eat, says @culinarymedmd.bsky.social, it’s more about what we need to add to our plates. (Think beans & greens!) #Nutrition2025
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Reposted by Meghan Rosen
Maggie Astor @maggieastor.bsky.social · 30/05/2025
"Some references include 'oaicite' attached to URLs — a definitive sign that the research was collected using artificial intelligence. The presence of 'oaicite' is a marker indicating use of OpenAI, a U.S. artificial intelligence company."
washingtonpost.com
White House MAHA Report may have garbled science by using AI, experts say
The report, led by Health and Human Services Secretary Robert F. Kennedy Jr., was intended to address the reasons for the decline in Americans’ life expectancy.
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Meghan Rosen @megrosen.bsky.social · 30/05/2025
As someone who writes a lot about cancer, I’m just so sad to see the NCI comms team get laid off. Here’s what we lost, according to @cancerletter.com "There is no one left to run the cancer.gov website, the Physician Data Query database, the NCI social media channels, and the patient hotline…
cancerletter.com
The faces of RIF: Staff members of NCI’s dissolved communications team gather for a farewell group photo - The Cancer Letter
On May 21, staff members of NCI’s dissolved Office of Communications and Public Liaison and friends gathered at the house of Peter Garrett and Ken Crerar.  Garrett, who as the director for External Af...
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Reposted by Meghan Rosen
Alex Wild @alexwild.bsky.social · 30/05/2025
And now, to soothe your timeline, a patch of Illinois tallgrass prairie.
Photograph taken with a long lens at a distance, showing layers of wildflowers interspersed with bluestem grass. Mostly yellow coneflowers at the top, bee balm in the middle, and purple coneflowers at the bottom.
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Reposted by Meghan Rosen
Lisa Grossman @astrolisa.bsky.social · 29/05/2025
So my family is relocating to Minnesota this summer. Luckily, I can keep my amazing job at @sciencenews.bsky.social - I've been a remote worker here for 8 years. My colleagues who happen to live in DC should have the same freedom to move cities if they need or want to. It bugs me that they don't.
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Meghan Rosen @megrosen.bsky.social · 29/05/2025
This is another sad story in a sea of bad news, but @sujatagupta.bsky.social’s piece on ending student mental health grants needs to be shared. “We are talking about critical services to kids,” says a deputy superintendent…”Things like this shouldn’t be cut.” www.sciencenews.org/article/stud...
sciencenews.org
Students’ mental health imperiled by $1 billion cuts to school funding
The Trump administration is cutting $1 billion in grants that support student mental health. That has educators worried.
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Meghan Rosen @megrosen.bsky.social · 29/05/2025
What a great way to bring science to communities!
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Meghan Rosen @megrosen.bsky.social · 22/05/2025
Gold ⭐️ to whoever wrote this headline! Story by @econover.bsky.social www.sciencenews.org/article/gold...
sciencenews.org
Trump’s ‘Golden Dome’ plan has a major obstacle: Physics
Scientists suggest the missile defense plan will face big hurdles, especially given its projected timeline and cost.
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Meghan Rosen @megrosen.bsky.social · 21/05/2025
One thing I learned reporting this story was that about 10 percent of newly-diagnosed prostate cancers are late-stage disease. So Biden’s diagnosis is unfortunate, but not that surprising. www.sciencenews.org/article/joe-...
sciencenews.org
Biden’s prostate cancer is incurable, but it is treatable
Experts explain the science behind Biden's advanced prostate cancer diagnosis, including how common it is and what treatments are available.
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Meghan Rosen @megrosen.bsky.social · 21/05/2025
🤯
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Meghan Rosen @megrosen.bsky.social · 20/05/2025
Honestly astonishing.
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Meghan Rosen @megrosen.bsky.social · 16/05/2025
“It is a complete mystery to me why they think that this is an appropriate way to make the American public healthier” … The decision “is based on some of the flimsiest evidence that I’ve seen.” - a dentist and epidemiologist Great story by @thsaey.bsky.social www.sciencenews.org/article/fda-...
sciencenews.org
FDA plan to ban fluoride supplements baffles and alarms dental experts
Fluoride supplements have been used in the United States for decades and have proven to be safe and effective for decreasing cavities.
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Meghan Rosen @megrosen.bsky.social · 14/05/2025
This headline sums up the vaccine/placebo issue perfectly. Story by @meprillaman.bsky.social www.sciencenews.org/article/hhs-...
sciencenews.org
HHS says new vaccines should be tested against placebos. They already are
Placebo testing has been part of the process since the 1940s. It’s unclear what additional measures would achieve — but it may slow development.
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Reposted by Meghan Rosen
Jessica McKenzie @jessimckenzi.bsky.social · 09/05/2025
if anyone at NSF Unidata wants to chat: jmckenzie@thebulletin.org; jessimckenzi.01 on signal www.unidata.ucar.edu/blogs/news/e...
unidata.ucar.edu
NSF Unidata Pause in Most Operations
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Meghan Rosen @megrosen.bsky.social · 09/05/2025
The federal gov has terminated some 700 NIH grants, which add up to ~3% of the NIH’s budget. Guess who was hit the hardest? The National Institute on Minority Health and Health Disparities. It lost *30%* of its NIH funds. Story by Sujata Gupta www.sciencenews.org/article/nih-...
sciencenews.org
$1.8 billion in NIH grant cuts hit minority health research the hardest
News of NIH funding cuts have trickled out in recent months. A new study tallies what’s been terminated.
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Meghan Rosen @megrosen.bsky.social · 02/05/2025
Yes, this story is wild. (A man injected himself with venom & then let snakes bite him. Scientists used his blood to create a new antivenom.) But I hope everyone who covers it emphasizes how dangerous this is. Please do not inject yourself with snake venom! www.sciencenews.org/article/anti...
sciencenews.org
A man let snakes bite him 202 times. His blood helped create a new antivenom
A new antivenom relies on antibodies from the blood of Tim Friede, who immunized himself against snakebites by injecting increasing doses of venom into his body.
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Meghan Rosen @megrosen.bsky.social · 30/04/2025
Finally out, the NEJM paper about the liver disease MASH & semaglutide. Bottom line: the drug (sold as Ozempic & Wegovy) seems to turn the disease around. After 72 weeks, patients saw liver scarring improve and fat in the liver go down. Why does that matter? www.sciencenews.org/article/sema...
sciencenews.org
Ozempic and Wegovy ingredient may reverse signs of liver disease
The diabetes and weight loss drug semaglutide reversed liver scarring and inflammation. It’s among several drugs in the works for the condition MASH.
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Meghan Rosen @megrosen.bsky.social · 28/04/2025
“Dental decay is very preventable. It breaks your heart to see these young kids that aren’t able to eat.” - a dentist who saw lots of kids with severe tooth decay after Calgary stopped fluoridating its water in 2011. Great story by @alexviveros.bsky.social www.sciencenews.org/article/fluo...
sciencenews.org
Two cities stopped adding fluoride to water. Science reveals what happened
As calls to end fluoride in water get louder, changes to the dental health of children in Calgary, Canada, and Juneau, Alaska, may provide a cautionary tale.
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Meghan Rosen @megrosen.bsky.social · 25/04/2025
A distributed workforce of reporters is a GOOD thing. It means we have people in different locations and time zones who can hop on whatever comes up. Clustering us all in DC makes no sense.
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Meghan Rosen @megrosen.bsky.social · 24/04/2025
Looking for former FDA employees for a story I’m working on about food safety. If that’s you, I’d love to talk. You can send me a DM here, find me on signal, or email me at mrosen@sciencenews.org. 🙏
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Meghan Rosen @megrosen.bsky.social · 23/04/2025
“I think it is going to take at least 10 years for American scientific and biomedical research to recover from this.” 😖
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Meghan Rosen @megrosen.bsky.social · 22/04/2025
Help, I took a break from my computer and now I have a cat in my lap.
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Reposted by Meghan Rosen
David Shiffman, Ph.D. 🦈 @whysharksmatter.bsky.social · 22/04/2025
You cannot tell if a policy is making things better or making things worse if you simply stop measuring things.
propublica.org
Trump’s War on Measurement Means Losing Data on Drug Use, Maternal Mortality, Climate Change and More
By slashing teams that gather critical data, the administration has left the federal government with no way of understanding if policies are working — and created a black hole of information whose con...
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Meghan Rosen @megrosen.bsky.social · 22/04/2025
No, “toxins" aren’t to blame for autism. Yes, improved detection is likely why autism rates are rising. Nice to see this nuanced, empathetic and accurate take by @laura-sanders.bsky.social and @thsaey.bsky.social
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Meghan Rosen @megrosen.bsky.social · 15/04/2025
In Washington and Maine, scientists have ID’d two cases of a rare red meat allergy triggered by tick bites. What’s notable about this? These cases appear to have been caused by tick species never before linked to the allergy, called alpha gal syndrome. www.sciencenews.org/article/tick...
sciencenews.org
Three U.S tick species may cause a mysterious red meat allergy
Two cases of alpha-gal syndrome suggest that the lone star tick isn’t the only species in the United States capable of triggering an allergy to red meat.
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Reposted by Meghan Rosen
Washington-Baltimore News Guild @wbng.org · 10/04/2025
Journalists at @sn-media-guild.bsky.social held a picket to tell @sciencenews.bsky.social that a fair contract isn't rocket science! After 18 months of negotiations, it's time to listen to the workers and give them a fair contract!
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Meghan Rosen @megrosen.bsky.social · 11/04/2025
I’m excited to share this story on GLP-1 drugs that I’ve been working on for months. It’s about the unconventional (and potentially dangerous) places people have been sourcing their meds. Why would people take that risk? A longish 🧵 www.sciencenews.org/article/weig...
sciencenews.org
A shadowy market for weight-loss drugs has emerged online
People are buying semaglutide and tirzepatide, the key ingredients in Ozempic and Zepbound, from unconventional sources. Doctors have safety concerns.
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