News

  1. Archaeology

    Oldest pottery comes from Chinese cave

    New dates show that East Asian hunter-gatherers fired up cooking vessels 20,000 years ago.

    By Bruce Bower
  2. Animals

    Dinosaur debate gets cooking

    A key piece of evidence for cold-blooded dinosaurs, growth lines in bones, has also been discovered in a set of warm-blooded animals.

    By Meghan Rosen
  3. Health & Medicine

    Male contraceptive shows promise

    Two hormones in gels applied to the skin effectively lower sperm counts, a study finds.

    By Nathan Seppa
  4. Humans

    Lead poisoning stymies condor recovery

    California’s iconic comeback species may need human help as long as even a small percentage of the carcasses they eat contain lead shot.