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  1. Health & Medicine

    Pain-free pianists use their backs

    Pianists who use smaller arm and finger muscles are more prone to injury than players who activate their back and neck muscles.

    By Laura Sanders
  2. Health & Medicine

    Drug helps in mild heart failure

    Already prescribed for severe cases, eplerenone cuts death and hospitalization rates in patients with less severe but chronic forms of the condition, a new study finds.

    By Nathan Seppa
  3. Humans

    Ancient hominid butchers get trampled

    Bone marks advanced as evidence of stone-tool use to butcher animals 3.4 million years ago may actually have resulted from animal trampling, scientists say.

    By Bruce Bower
  4. Health & Medicine

    Cocaine trumps food for female rats

    A study in rats finds that males prefer food over cocaine while females prefer the drug, a step toward better understanding of sex differences in addiction.