Uncategorized

  1. Animals

    A jumping spider mom nurses her brood for weeks on milk

    Even after spiderlings start hunting for themselves, they come to mom for milk.

    By Susan Milius
  2. Archaeology

    Stone-tool makers reached North Africa and Arabia surprisingly early

    Ancient Homo species spread advances in toolmaking far beyond East Africa.

    By Bruce Bower
  3. Astronomy

    Astronomers have measured all the starlight ever emitted

    Astronomers used distant blazars to tally up all the stray photons roaming through space.

    By Lisa Grossman
  4. Neuroscience

    Zaps to a certain spot in the brain may ease depression

    When implanted electrodes stimulated a brain region just behind the eyes, people’s spirits were raised immediately.