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  1. Life

    Science leaps forward with Calaveras County frog jump

    Biologists test the pros of amphibian athletics.

    By Susan Milius
  2. Health & Medicine

    Antiaging protein also boosts learning and memory

    An antiaging molecule also helps keep the mind sharp.

    By Tina Hesman Saey
  3. Health & Medicine

    Proteins last longer in the brain

    A study in mice could lead to a better understanding of aging, Alzheimer’s and other degenerative processes.

    By Laura Sanders
  4. Space

    Snapshots of the past

    The Rosetta spacecraft returns images of asteroid 21 Lutetia.

    By Gwyneth Dickey
  5. Earth

    Mangroves do a coast good

    Left intact, dense swaths of trees can reduce tsunami damage, a new study suggests.