News

  1. Health & Medicine

    Brain’s support cells play role in hunger

    Once considered just helpers for neurons, astrocytes sense the hormone leptin and can change mice’s appetites.

    By Laura Sanders
  2. Life

    Drug candidate takes new aim at MERS

    An experimental drug that shuts down construction of virus-making factories could become a new weapon against MERS.

    By Meghan Rosen
  3. Tech

    Lasers heal damaged rodent teeth

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

    By Meghan Rosen
  4. 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.