News

  1. Humans

    Death can outdo ABCs of prevention

    Abstinence and monogamy may deserve little, if any, credit for the recent drop in the proportion of Ugandans who are infected with HIV.

    By Ben Harder
  2. Health & Medicine

    Inner-brain electrode may curb depression

    Deep-brain electrical stimulation has shown promise in treating severe depression.

    By Christen Brownlee
  3. Astronomy

    Radiation from a baby star

    X-ray telescopes have captured the earliest and clearest view of the core of a gas cloud about to transform into a star.

    By Ron Cowen

  4. Master gene found for insect smell

    A single gene may oversee the sense of smell in a variety of insect species.