News

  1. Paleontology

    Fossil footprints may put lizards on two feet 110 million years ago

    Fossilized footprints found in South Korea could be the earliest evidence of two-legged running in lizards.

    By Helen Thompson
  2. Climate

    Look to penguins to track Antarctic changes

    Scientists say carbon and nitrogen isotopes found in penguin tissues can indicate shifts in the Antarctic environment.

    By Carolyn Gramling
  3. Genetics

    Study debunks fishy tale of how rabbits were first tamed

    A popular tale about rabbit domestication turns out to be fiction.

    By Tina Hesman Saey
  4. Health & Medicine

    Cutting off a brain enzyme reversed Alzheimer’s plaques in mice

    Inhibiting an enzyme involved in the production of Alzheimer’s protein globs also made old globs, or plaques, disappear in mouse brains.