
Meghan Rosen is a staff writer who reports on the life sciences for Science News. She earned a Ph.D. in biochemistry and molecular biology with an emphasis in biotechnology from the University of California, Davis, and later graduated from the science communication program at UC Santa Cruz. Prior to joining Science News in 2022, she was a media relations manager at the Howard Hughes Medical Institute. Her work has appeared in Wired, Science, and The Washington Post, among other outlets. Once for McSweeney’s, she wrote about her kids’ habit of handing her trash, a story that still makes her (and them) laugh.

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All Stories by Meghan Rosen
- Health & Medicine
Surgeons transplanted a pig’s liver into a human
A genetically modified mini pig’s liver was able to function in the body of a brain-dead patient throughout a 10-day experiment.
- Health & Medicine
An mRNA cancer vaccine may offer long-term protection
A vaccine kept patients free of pancreatic cancer for years, yet new reports say the NIH is advising against mentioning mRNA tech in grants.
- Tech
A hopping robot shows off its squirrel-like skills
Salto the jumping robot can take a flying leap and land on a narrow pipe — just like a squirrel soaring from branch to branch.
- Health & Medicine
6 things to know about antidepressants
An abundance of data show that SSRIs, a class of drugs commonly used as antidepressants, are effective, though, like any drug, they have risks.
- Science & Society
It’s ‘personal.’ What the Stand Up for Science rally meant for attendees
Stand Up for Science rallies in Washington, D.C., and across the United States drew crowds of people worried about cuts to scientific funding.
- Health & Medicine
A pancreatic cancer blood test called PAC-MANN could spot the disease early
The test relies on a magnetic nanoparticle linked to fluorescent molecules to detect pancreatic cancer proteins.
- Climate
Just a small rise in global temperatures could be deadly
As early as mid-century, an area of land that adds up to the size of the U.S. could hit temperatures hazardous for human health.
- Science & Society
Trump orders sow chaos in global public health
A recent flurry of executive orders and surprise actions by the Trump administration have roiled WHO, the CDC and the international public health community.
- Health & Medicine
Trump is withdrawing the U.S. from WHO. Here’s what that means
When Trump’s move to leave WHO takes effect in a year, it may gut funding for global public health and limit U.S. access to crucial data, experts warn.
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Why the FDA banned the common food dye Red No. 3
Evidence that the synthetic dye Red No. 3 is harmful comes from studies in rats, not people. Food companies now have two years to remove it from products.
- Health & Medicine
Lethal snake venom may be countered by new AI-designed proteins
The current way to produce antivenoms is antiquated. Experiments in mice suggest that an artificial intelligence approach could save time and money.
- Health & Medicine
U.S. dementia cases may rise to 1 million per year by 2060
Baby Boomers may drive a drastic increase in dementia cases in coming decades, but there are steps people can take to reduce their risk.