News

  1. Health & Medicine

    Gene causes body-fat disorder

    A gene linked to a form of muscular dystrophy also causes a disease that deposits fat unevenly after puberty.

    By Damaris Christensen
  2. Health & Medicine

    Hormone treats autoimmune disease

    A medication combining the drug prasterone and hormone dehydroepiandrosterone, or DHEA, stabilizes or improves symptoms of lupus.

    By Damaris Christensen

  3. Predators shape river world top-down

    Hunting and no-hunting zones allow a rare test of the much-debated proposal that big carnivores shape their ecosystems from the top down.

    By Susan Milius

  4. Why did the turtle cross the road?

    A survey of painted turtles that perished while trying to cross a highway suggests that the freshwater species need more dry land than expected.