News

  1. Astronomy

    Some gamma-ray bursts may occur nearby

    A sizable minority of gamma-ray bursts may originate relatively nearby, in galaxies within 325 million light-years of our own.

    By Ron Cowen
  2. Chemistry

    Detonating silicon wafers can ID elements

    Researchers have discovered a way to make certain silicon wafers explode on command.

    By Jessica Gorman
  3. Health & Medicine

    Gene Variant Tied to Human Aging

    Variants of a gene linked to mouse aging are more prevalent in elderly people than in newborns, suggesting that the gene influences human aging or specific age-related illnesses.

    By John Travis
  4. Health & Medicine

    Cloning’s ups and downs

    Dolly, the world's first cloned mammal, has developed arthritis, and two biotech firms have turned to cloning in their attempt to create pigs with organs that human bodies won't reject when transplanted.