News

  1. Neuroscience

    Female rats face sex bias too

    In neurobiological studies, male lab animals tend to outnumber females, which are considered too hormonal. Scientists say it’s time for that myth to go.

    By Bethany Brookshire
  2. Paleontology

    Hyenas roamed the Arctic during the last ice age

    Two teeth confirm the idea that hyenas crossed the Bering land bridge into North America, a study finds.

    By Nicoletta Lanese
  3. Life

    Norovirus close-ups might help fight stomach flu

    Detailed views of a common stomach virus that causes vomiting and diarrhea could aid vaccine and disinfectant development.

    By Tina Hesman Saey
  4. Earth

    Is a long-dormant Russian volcano waking up? It’s complicated

    Scientists debate how to interpret seismic activity near Bolshaya Udina on the remote Kamchatka Peninsula.