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. Health & Medicine

    The weight loss drug Wegovy lowered heart attack risk in a large trial

    Among 17,000 adults, those on semaglutide were less likely to experience nonfatal heart attacks and strokes or death due to cardiovascular disease.

  2. Health & Medicine

    Brain tissue may be fuel for marathon runners

    Myelin, fatty tissue that insulates nerve cells in the brain, may be a renewable energy source for marathon runners and other endurance athletes.

  3. Health & Medicine

    Newly identified stem cells can lure breast cancer to the spine

    A new type of stem cell discovered in mice and humans might explain why cancer that spreads to other body parts preferentially targets the spine.

  4. Health & Medicine

    A monkey survived two years with a miniature pig’s kidney

    A new study is the latest in a string of efforts seeking to use other animal species to solve the global organ shortage in people.

  5. Health & Medicine

    Early mRNA research that led to COVID-19 vaccines wins 2023 medicine Nobel Prize

    Biochemists Katalin Karikó and Drew Weissman devised mRNA modifications to make vaccines that trigger good immune responses instead of harmful ones.

  6. Animals

    Seen Bigfoot or the Loch Ness Monster? Data suggest the odds are low

    Floe Foxon is a data scientist by day. But in his free time, he applies his skills to astronomy, cryptology and sightings of mythical creatures.

  7. Health & Medicine

    Mouth taping may be a trending sleep hack, but the science behind it is slim

    Mouth taping is big on social media, but few studies have evaluated it. Some evidence suggests that sealing the lips shut may help people with sleep apnea.

  8. Health & Medicine

    Doctors found a live python parasite in a woman’s brain

    The infection is the first known case of the worm Ophidascaris robertsi in a person. It’s not the only type of worm that can infect human brains.

  9. Animals

    The world’s highest-dwelling mammal isn’t the only rodent at extreme elevation

    After discovering a mouse living nearly 7,000 meters above sea level, scientists scoured other extreme environments to make sure the find wasn’t a fluke.

  10. Health & Medicine

    What we still don’t know about Wegovy’s effect on strokes and heart attacks

    A clinical trial suggests that semaglutide, a drug used to treat obesity and diabetes, may protect cardiovascular health in a broad group of people.

  11. Health & Medicine

    Why are more people under 50 getting colorectal cancer? Scientists have some clues

    Science News spoke with doctors about their research into early-onset colorectal cancer. Here’s what they’re learning and what questions remain.

  12. Life

    A fantastical world of potential giant viruses lurks beneath the soil

    Giant viruses were already known for their large sizes. A close look at a scoop of soil shows that they may come in a variety of funky shapes as well.