Meghan Rosen headhsot

Meghan Rosen

Senior Writer

Meghan Rosen is a senior 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. Her dissertation work involved studying mutated proteins in liver and kidney cancer. She 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. Neuroscience

    Heavy drinkers get extra brain fuel from alcohol

    Compared with the brains of light drinkers, the brains of heavy alcohol drinkers burn acetate better.

  2. Health & Medicine

    Immune cells chow down on living brain

    Microglia prune developing rat and monkey brains by eating neural stem cells.

  3. Life

    Sperm swim against the current

    Human and mouse sperm both follow upstream currents to the egg.

  4. Health & Medicine

    Mouse brain cells live long and prosper

    Mouse neurons live twice as long as usual when transplanted into rat brain, suggesting that brain deterioration may not necessarily accompany long life.

  5. Earth

    Nutrients matter in tropical forests

    Soil nutrients and rainfall predict tree species range in Panama’s tropical forests.

  6. Life

    Chill turns monarchs north

    Temperature manipulation appears to solve mystery of what triggers migratory butterflies’ homeward trip.

  7. Venus sails across sun in rare display

    Transit events happen in pairs separated by more than a century.

  8. Tech

    Beginnings of Bionic

    Electronics that bend with the human body may soon make their way into medical devices to track health, deliver treatments and improve surgery.

  9. Life

    Scent Into Action

    Rodent responses to a whiff of predator may offer clues to instinct in the brain.

  10. Life

    Flash leads to flex in lab-grown muscle

    Light-activated artificial tissue inspires dream of squirming wormbots.

  11. Humans

    Young scientists make the cut

    With the naming of the 30 finalists, middle school students will vie for top prize in national Broadcom MASTERS competition.

  12. Life

    Oldest mites in amber discovered

    Two new species of arthropods found in 230-million-year-old fossilized resin show similarities to modern-day species.