News

  1. Archaeology

    Maya warfare takes 10 steps forward

    The discovery of hieroglyphic-covered steps on the side of a Maya pyramid has yielded new information about warfare between two competing city-states around 1,500 years ago.

    By Bruce Bower
  2. Health & Medicine

    Into the Tank: Pressurized oxygen is best at countering carbon monoxide exposure

    Oxygen treatment for serious carbon monoxide poisoning prevents long-term brain damage best if delivered as pressurized gas.

    By Nathan Seppa
  3. Humans

    Flame Out: Fishy findings sustain, then snuff, stellar career

    Investigators have concluded that a young, up-and-coming physicist repeatedly faked data and committed other types of scientific misconduct.

    By Peter Weiss
  4. Chemistry

    Hot Spuds: Golden path to acrylamide in food

    The browning reaction that imparts flavor to french fries and breads also creates acrylamide, an animal carcinogen.