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  1. Health & Medicine

    Cocaine use appears to boost stroke risk in young people

    A study of young and middle-aged adults adds to evidence of the drug’s harmful effects.

    By Nathan Seppa
  2. Animals

    In crazy vs. fire, the ant with the detox dance wins

    Tawny crazy ants pick fights with fire ants and win, thanks to a previously unknown way of detoxifying fire ant venom.

    By Susan Milius
  3. Neuroscience

    Gene adds wrinkle to brain development

    Mutations in the gene GPR56 results in misshapen folds in the brain tied to intellectual and language disabilities.

    By Laura Sanders
  4. Tech

    Termite-inspired robots build structures without central command

    Simple guidelines keep machines hauling and placing bricks.