News

  1. Health & Medicine

    Human sperm don’t swim the way that anyone had thought

    High-speed 3-D microscopy and mathematical analyses reveal that rolling and lopsided tail flicks keep the cells swimming in a straight line.

    By Jack J. Lee
  2. Physics

    The physics of solar flares could help scientists predict imminent outbursts

    Physicists aim to improve space weather predictions by studying the physical processes that spark a solar flare.

    By Emily Conover
  3. Health & Medicine

    Many U.S. neighborhoods with the worst air 40 years ago remain the most polluted

    Air pollution has declined in the United States, but marginalized communities are still disproportionately affected despite the improvement.

    By Jonathan Lambert
  4. Animals

    An immune system quirk may help anglerfish fuse with mates during sex

    Deep-sea anglerfish that fuse to mate lack genes involved in the body’s response against pathogens or foreign tissue.