News

  1. Animals

    Mighty mites

    Mites that were thought to be parasites to their host wasps turn out to be bodyguards, attacking intruders.

    By Rachel Ehrenberg
  2. Physics

    Layers in a Stradivarius

    Slight differences in the wood from which violins are made might be what distinguishes a mellow-toned Stradivarius from an ordinary instrument.

    By Sid Perkins
  3. Health & Medicine

    Surviving HIV

    Since the development in the mid-1990s of a state-of-the-art drug cocktail for HIV, patient survival has extended dramatically, a new study shows.

    By Nathan Seppa
  4. Animals

    Live fast, die young

    With a lifespan of just five months, the chameleon Furcifer labordi leads a briefer life than any other land-dwelling vertebrate.