News

  1. Health & Medicine

    Too little sleep may fatten kids

    Lack of sleep may promote childhood obesity.

    By Janet Raloff
  2. Tech

    Bucky shrink-wrap

    Scientists filmed cage-shaped carbon molecules as they shrank to become buckyballs.

    By Davide Castelvecchi
  3. Agriculture

    Insects laughing at Bt toxin? Try this

    A new countermeasure restores the toxicity of Bt pesticides to insects that have evolved resistance.

    By Susan Milius
  4. Anthropology

    Wild chimps scale branches of culture

    Distinctive behaviors in wild-chimp communities point to a basic cultural capacity in these animals.

    By Bruce Bower
  5. Animals

    Mr. Not Wrong: Not my species? Not a problem

    Female toads that accept mates of another species in tough times may be looking after their own interest.