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. An illustration of a blue person's colon highlighted in pink with a chunk of brown resting in the colon.
    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.

  2. A collection of three microscopic images of potential giant viruses.

    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.

  3. A photo of a person's hands cupped around a pile of multicolored pills.
    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.

  4. Three views of a brain scan from different angles showing a big black spot in a woman's brain.

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

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

  5. photo of a baseball stadium with a cityscape obscured by smoke in the background

    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.

  6. A photo of a snow fly standing on ice.

    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.

  7. An image of several red blood cells.
    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.

  8. An overhead photo of a black bowhead whale mother with a smaller gray bowhead whale child swimming on the surface of icy water.

    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

  9. A headshot of Marjorie Weber smiling in front of large plants

    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.

  10. A photo of four orange Mifeprex pill boxes in a pile on a wooden background.
    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.

  11. A photo of a South American tapir walking through a green grass field with some bushes in the background.

    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.

  12. A photo of a hand holding a light colored rectangle with darker lines running across it.
    Health & Medicine

    A graphene “tattoo” could help hearts keep their beat

    A proof-of-concept electronic heart tattoo relies on graphene to act as an ultrathin, flexible pacemaker. In rats, it treated an irregular heartbeat.