Uncategorized

  1. Animals

    Silky feet

    Zebra tarantulas can secrete silk from their feet, a feat that may help them better adhere to surfaces.

    By Aimee Cunningham
  2. Health & Medicine

    Cigarettes and lead linked to attention disorder

    Nearly half a million cases of attention-deficit hyperactivity disorder among U.S. children are related to exposures to lead or their mothers' smoking while pregnant.

    By Ben Harder
  3. Astronomy

    Oversize supernova

    Researchers have found a supernova so luminous that it must have been produced by a much heavier star than the standard theory allows.

    By Ron Cowen
  4. Health & Medicine

    Bad Alzheimer’s proteins sow disorder in the brain

    Alzheimer's disease may start with a single abnormal protein that spoils other proteins nearby.