News

  1. Earth

    Mystery of the Missing Heat: Upper ocean has cooled slightly in recent years, despite warming climate

    Between 2003 and 2005, the top layers of the world's oceans cooled slightly, but scientists aren't sure where the heat went.

    By Sid Perkins
  2. Health & Medicine

    The Bad Fight: Immune systems harmed 1918 flu patients

    The 1918 Spanish flu virus may have launched an intense immune attack that devastated patients' lungs.

    By Christen Brownlee
  3. Physics

    Hot Stuff: A usually ultracold, odd state forms when warm

    An exotic quantum state that had previously appeared only under conditions of astonishing cold has made its room-temperature debut.

    By Peter Weiss
  4. Chemistry

    Catalyst cleans up

    A new chemical catalyst can remove the pollutant perchlorate from water.