Uncategorized

  1. Health & Medicine

    Stub it out

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

    By Nathan Seppa
  2. 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
  3. Physics

    Gödel, Escher, Chopin

    Musical theorists see inuitive links between musical chords and geometries.

    By Davide Castelvecchi
  4. Life

    Not so different after all

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

    By Tia Ghose
  5. Life

    The Arctic isn’t alone

    Insects and other animals that regulate their body temperature externally may be especially vulnerable as the world warms.