Meghan Rosen headhsot

Meghan Rosen

Staff Writer, Biological Sciences

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.

All Stories by Meghan Rosen

  1. 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.

  2. 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.

  3. 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.

  4. Health & Medicine

    AI could transform health care, but will it live up to the hype?

    AI has the potential to make health care more effective, equitable and humane. Whether the tech delivers on these promises remains to be seen.

  5. Health & Medicine

    Short bursts of physical activity cut women’s risk of heart attack

    Even just a few minutes of vigorous movement per day lowers the risk of serious cardiovascular problems, like heart attack and heart failure, in women.

  6. Health & Medicine

    Dogs team up with AI to sniff out cancer

    Scientists paired Labrador retrievers with an AI model in a new screening test for breast, lung, colorectal or prostate cancer.

  7. Health & Medicine

    The benefits of Ozempic and its kin may extend far beyond weight loss

    Studies suggest that semaglutide reduces heart attack and stroke and may curb addiction and more. Scientists reflect on the future of GLP-1 drugs beyond weight loss.

  8. Health & Medicine

    How the weight loss drug tirzepatide is also helping heart failure patients

    Data continue to show that tirzepatide, called Mounjaro for type 2 diabetes and Zepbound for weight loss, is safe and effective, but side effects remain.

  9. Health & Medicine

    Refurbished heart pacemakers work like new

    “Old” pacemakers may still work for years, so doctors are refurbishing used devices and donating them to patients in low- and middle-income countries.

  10. Health & Medicine

    ‘The Power of Prions’ explores misfolded proteins’ role in brain diseases

    Michel Brahic’s new book spotlights prions’ role in diseases such as Alzheimer’s and Parkinson’s.

  11. Life

    Backyard explorers discovered 15 new examples of glowing life 

    New finds in the Finding Fluorescence site include a Japanese beetle with a glowing blue mouth and a mushroom that gleamed bright red under its cap.

  12. Health & Medicine

    A viral gene drive could offer a new approach to fighting herpes

    A new gene drive can copy and paste itself into the genomes of herpes simplex viruses in mice. The end goal is a version that disables the virus in humans.