Uncategorized

  1. Physics

    Black hole recipe: Slow light, swirl atoms

    Whirling clouds of atoms may swallow light the way black holes do, possibly giving scientists a way to test the general theory of relativity in the lab, not just in outer space.

    By Peter Weiss
  2. Anthropology

    Ancient populations were game for growth

    Archaeological evidence of a Stone Age shift in dietary preferences, from slow to swift small game, suggests that the human population rose sharply sometime between 100,000 and 50,000 years ago.

    By Bruce Bower
  3. Anthropology

    Drowned land holds clue to first Americans

    A map of a now-flooded region charts the path that Asians may have taken to first reach the Americas.