1. Animals

    Some birds heed a monkey’s warnings

    An African forest bird can tell which monkey alarm calls to pay attention to.

  2. Health & Medicine

    Moving Good Fats from Fish to Mice

    Healthful fats from fish could end up in beef, eggs, and other foods.

  3. Health & Medicine

    Walking to exercise the brain

    Light exercise can help elderly people keep their brains in shape.

  4. Health & Medicine

    Building a food pyramid

    Experts are trying to work out new rules on which foods to eat and which ones to avoid.

  5. Health & Medicine

    Strong Bones for Life

    Weak bones are an increasing problem for kids and teenagers.

  6. Animals

    A bowerbird’s guide to style

    To attract a mate, male bowerbirds go for a cheaper, low-key look instead of showy decorations.

  7. Animals

    A hangout for elusive blue whales

    Scientists have now found a place off southern Chile where blue whales gather.

  8. Humans

    Digging up Stone Age art

    Researchers have uncovered some very old, mysterious animal sculptures.

  9. Humans

    Preserving Ancient Warrior Paint

    Chemistry helps keep paint on ancient clay statues from cracking and quickly peeling off.

  10. Archaeology

    Symbols from the Stone Age

    Rocks found in a cave suggest the people used objects and colors to stand for other things more than 90,000 years ago.

  11. Health & Medicine

    Fighting Off Micro-Invader Epidemics

    Colds, the flu, and other, deadlier diseases can spread very quickly.

  12. Humans

    The puzzle of ancient mariners

    Prehistoric sailors may have traveled from island to island across the ocean.