News

  1. Life

    Autism may have link to chemicals made by gut microbes

    Beneficial bacteria improved abnormal behaviors in mice with altered intestines.

    By Tina Hesman Saey
  2. Anthropology

    Ancient hominid bone serves up DNA stunner

    Spanish hominid fossil from 400,000 years ago reveals genetic ties to Asia’s mysterious Denisovans.

    By Bruce Bower
  3. Astronomy

    ISON appears to have broken up after brush with sun

    Comet ISON has disintegrated in the sun’s intense heat and gravity, according to a growing consensus among astronomers.

    By Gabriel Popkin
  4. Genetics

    Evolution of venom, binge eating seen in snake DNA

    Python and cobra genes evolved quickly to enable hunting strategies.