News

  1. Health & Medicine

    SIDS and serotonin

    Study finds brain chemical deficiency causing sudden death in mice could be linked to SIDS

    By Ashley Yeager
  2. Space

    Messages from Mercury

    Data collected by the MESSENGER spacecraft as it flew past Mercury last January has revealed the origin of the planet’s magnetic field, discovered evidence of early volcanic activity and provided a first look at the planet’s surface composition.

    By Ron Cowen
  3. Life

    Fountain of Youth, with caveats

    A chemical in red wine thought to mimic the life-extending properties of calorie restriction improves health, but doesn’t necessarily lengthen life; it could also harm the brain.

    By Tina Hesman Saey
  4. Life

    Embryos can learn visually

    For cuttlefish embryos, what they see is what they'll crave as food later

    By Susan Milius
  5. Chemistry

    HIV knockout

    Cutting a gene in immune cells could offer a new way to treat HIV infections.