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

    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.

  2. 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.

  3. 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.

  4. Health & Medicine

    Many sports supplements have no trace of their key ingredients

    A chemical analysis of 57 supplements found that 40 percent had undetectable amounts of key ingredients. Only 11 percent had accurate amounts.

  5. Neuroscience

    Elyse G.’s brain is fabulous. It’s also missing a big chunk

    A new project explores interesting brains to better understand neural flexibility.

  6. Earth

    Wildfires aren’t going away. Here’s how smoke can affect your health

    How does repeat exposure to wildfire smoke affect our health? Three experts weigh in on the massive air pollution fueled by Canada’s ongoing fires.

  7. Animals

    A grisly trick helps snow flies survive freezing: self-amputation

    When a snow fly’s leg begins to freeze, a quick amputation can prevent ice from spreading, keeping the cold-hardy insect alive.

  8. Health & Medicine

    ‘In the Blood’ traces how a lifesaving product almost didn’t make it

    There’s plenty of drama in Charles Barber’s new book, which explores why a blood-clotting invention was initially dismissed.

  9. Animals

    Bowhead whales may have a cancer-defying superpower: DNA repair

    Bowhead whale cells repair damaged DNA exceptionally well, an ability that could prevent cancer and help the marine mammals live for centuries

  10. Ecosystems

    Marjorie Weber explores plant-protecting ants and other wonders of evolution

    Cooperation across the tree of life is an understudied driver of evolution and biodiversity, Marjorie Weber says.

  11. Health & Medicine

    As U.S. courts weigh in on mifepristone, here’s the abortion pill’s safety record

    Decades of data, including data collected during the coronavirus pandemic, support mifepristone’s safety. The drug’s fate in the United States may now be determined by judicial review.

  12. Genetics

    Here are 5 cool findings from a massive project on 240 mammal genomes

    A new series of studies on mammal genetics is helping scientists start to answer questions about evolution, cancer and even what makes us human.