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

    Taking antiviral drug ‘on demand’ guards against HIV

    The antiviral drug Truvada taken before and after sex cuts HIV transmission rates.

  2. Animals

    Snakes evolved from burrowing ancestor, new data suggest

    A new X-ray analysis of inner ears is the latest to weigh in on whether modern snakes descended from a burrowing or a swimming reptile.

  3. Health & Medicine

    Having parasites can boost fertility

    Infection with parasitic worms tinkers with fertility.

  4. Health & Medicine

    Putting the big chill on cryotherapy

    Evidence is lacking for whole-body cryotherapy as a treatment for muscle soreness.

  5. Health & Medicine

    Dropping blood pressure to 120 lowers heart woes, data confirm

    Aggressive treatment to lower systolic blood pressure to 120 reduces risk of heart attack, but causes some side effects.

  6. Tech

    Laser light turns graphene paper into a microbot

    Tiny origami-inspired robot uses laser light to walks like an inchworm.

  7. Animals

    Diagram captures microbes’ influence across animal kingdom

    A network diagram of animal species shows that many microbes living in humans also make themselves at home in dogs, pigs and cattle.

  8. Tech

    Electronic skin feels the heat, hears the sound

    Electronic skin inspired by human fingertips detects texture, pressure, heat and sound.

  9. Neuroscience

    Signs of Alzheimer’s seen in young brain’s GPS cells

    Signs of Alzheimer’s can show up in the brain’s compass decades before symptoms strike.

  10. Paleontology

    300 million-year-old giant shark swam the Texas seas

    Fossil find shows oldest known ‘supershark,’ about the size of a limo, prowled the ocean 300 million years ago.

  11. Paleontology

    New evidence weakens case against climate in woolly mammoths’ death

    Hunters responsible for woolly mammoths’ extinction, suggests a chemical analysis of juveniles’ tusks.

  12. Paleontology

    Dimetrodon’s diet redetermined

    The reptilelike Dimetrodon dined mainly on amphibians and sharks, not big herbivores as scientists once believed.