News

  1. Health & Medicine

    Male Pill on the Horizon: Drug disables mouse sperm but wears off quickly

    A new oral drug created to ease a genetic disorder could have contraceptive benefits.

    By Carol Marzuola
  2. Ecosystems

    Trust That Bird? A bit of future-think lets jays cooperate

    A blue jay will cooperate with a buddy for mutual gain in food despite opportunities to betray the partnership.

    By Susan Milius
  3. Earth

    Dust Up: Office bustle launches anthrax spores

    The commotion of everyday business in indoor spaces contaminated with anthrax can launch the bacterium's dangerous spores into the air.

    By Ben Harder
  4. Planetary Science

    Martian History: Weathering a new notion

    Researchers suggest that intermittent impacts by huge asteroids and comets some 3.5