News

  1. Health & Medicine

    Tea compound aids dying brain cells

    A constituent of green tea rescues brain cells damaged in a way that mimics the effect of Parkinson's disease.

    By Janet Raloff
  2. Health & Medicine

    Malaria’s sweet spot

    The malaria parasite's reliance on a sugar in the gut of mosquitoes may offer a way to block the disease's transmission.

    By Patrick Barry
  3. Astronomy

    Out-of-focus find

    Blurry images yield estimates of the true width of glowing meteor vapor trails in Earth's upper atmosphere.

    By Sid Perkins
  4. Plants

    Water-saving grain

    Rice with an added gene needs less water and can survive drought.

    By Patrick Barry
  5. Animals

    Honeybee mobs smother big hornets

    Honeybees gang up on an attacking hornet, killing it by blocking its breathing.