
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
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.
- Animals
The story of dire wolves goes beyond de-extinction
Some question whether the pups are really dire wolves, or just genetically tweaked gray wolves. But the technology could be used to help at-risk animals.
- Health & Medicine
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.
- 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.