News

  1. Health & Medicine

    Wishful thinking

    Male athletes who think they are getting growth hormone claim to feel better and score higher in a jumping test while on a placebo.

    By
  2. Health & Medicine

    Where funny faces come from

    Making a face might have helped human ancestors survive.

    By
  3. Health & Medicine

    Girl athletes’ energy crisis

    Lack of regular periods in teenage female athletes stems from a hormone imbalance arising from inadequate energy intake.

    By
  4. Animals

    Squeaky chimp sex, or not

    Female chimps tend toward silent sex when the other girls could overhear.

    By
  5. Space

    Rocky cores form first

    A theorist says new extrasolar findings prove that the standard model of planet formation is correct.