News

  1. Earth

    Top of Everest is an ozone overdose

    Wafts from lower atmosphere, polluted regions bathe the peak in amounts that exceed EPA limits.

    By Sid Perkins
  2. Health & Medicine

    Epigenetics reveals unexpected, and some identical, results

    One study finds tissue-specific methylation signatures in the genome; another a similarity between identical twins in DNA’s chemical tagging.

    By Tina Hesman Saey
  3. Health & Medicine

    Neural paths for borderline personality disorder

    A new brain-imaging study indicates that unusual neural activity linked to emotion, attention and conflict-resolution systems underlies a common psychiatric condition known as borderline personality disorder.

    By Bruce Bower
  4. Humans

    Gamers crave control and competence, not carnage

    Study turns belief commonly held by video game industry, gamers, on its head.