News

  1. Earth

    Ancient fossil sheds light on early evolution of body armor

    A relative of today’s crabs and insects, the 10-legged, 520-million-year-old find may be the earliest known example of its kind with protected, jointed limbs.

    By Susan Milius
  2. Health & Medicine

    Tired, sure, but is it from Lyme disease or chronic fatigue?

    A scan of proteins in spinal fluid reveals distinct signatures for these two conditions, offering hope for better diagnosis and possibly treatment.

    By Nathan Seppa
  3. Humans

    Mafia informants fail acid test

    Tests of sulfuric acid on pig carcasses cast doubts on Mafia claims of dissolving murder victims in a matter of minutes.

    By Rachel Ehrenberg

  4. 2011 AAAS meeting: Science without borders

    A round-up of Science News coverage of the the American Association for the Advancement of Science meeting held February 17–21, 2011 in Washington, D.C.