News

  1. Health & Medicine

    Friend or foe? Drunk, the brain can’t tell

    Intoxicated brains can’t discern between threatening and safe situations.

    By Tina Hesman Saey
  2. Space

    Supermassive black hole says sayonara

    Researchers have the first observational hint for the existence of an ejected supermassive black hole, fired by a gravitational rocket from the core of the galaxy in which it formed.

    By Ron Cowen
  3. Humans

    Bear deadline

    Court calls for the already overdue decision on listing polar bears as a threatened species.

    By Susan Milius
  4. Earth

    Molten salts give biofuels a boost

    Making biofuels from the chemical energy locked in plant cell walls has proven difficult, but molten salts may help.