Uncategorized

  1. Life

    Brittle arms lose muscle

    In lab simulations of future ocean conditions, brittle stars grow extra-calcified but puny arms.

    By Susan Milius
  2. Health & Medicine

    Stub it out

    Quitting cigarettes shows health benefits even decades after the last puff.

    By Nathan Seppa
  3. Humans

    Teeth chronicle infant diet

    Chemical analyses of teeth, including fossilized ones, may provide clues that tell anthropologists the age at which a child was weaned.

    By Sid Perkins
  4. Physics

    Gödel, Escher, Chopin

    Musical theorists see inuitive links between musical chords and geometries.

    By Davide Castelvecchi
  5. Life

    Not so different after all

    Plague bacteria may be deadlier than its harmless cousin because of a few small genetic changes.