News

  1. Tech

    Lasers heal damaged rodent teeth

    Handheld laser spurs stem cells into action, regrowing dentin in drilled teeth.

    By Meghan Rosen
  2. Archaeology

    First pants worn by horse riders 3,000 years ago

    A new study indicates horse-riding Asians wove and wore wool trousers by around 3,000 years ago.

    By Bruce Bower
  3. Animals

    Reef fish get riled when intruders glow red

    A male fairy wrasse gets feisty when he can see a rival’s colorful fluorescent patches.

    By Susan Milius
  4. Climate

    Violent storms may shatter sea ice

    Tall waves’ effect on sea ice hints at troubled water in the future.

    By Beth Mole
  5. Particle Physics

    Proton’s magnetic properties pinned down

    A precise measurement of a proton’s magnetic properties could help reveal subtle differences between matter and antimatter.