News

  1. Life

    Insulin may be Big Antler hormone

    Extra sensitivity to the hormone in certain developing tissues might give animals their oversized weapons and ornaments.

    By Susan Milius
  2. Life

    Skinny searchers keep fat ants full

    By controlling movement out of an ant nest, researchers discover that ants weigh tubbiness in deciding who hunts for food.

    By Meghan Rosen
  3. Humans

    Early Americans took two tool tracks

    Creators of separate spearhead styles colonized North America more than 13,000 years ago.

    By Bruce Bower
  4. Health & Medicine

    Proliferation protein goes rogue in lung cancer

    Rac1b might promote malignancy, could be a target for treatment.

    By Nathan Seppa
  5. Health & Medicine

    Memories clutter brain in amnesia

    Complex patterns slow down object recognition in patients with disorder.