Uncategorized

  1. Health & Medicine

    Dopamine could help the sleep-deprived still learn

    Sleep loss impairs fruit flies’ ability to learn, just as it does in people. But boosting dopamine in the flies can erase these learning deficits.

    By Tina Hesman Saey
  2. Astronomy

    Save the date: solar eclipse

    NASA will broadcast and webcast the next total solar eclipse Aug. 1, live from China

    By Ashley Yeager
  3. Health & Medicine

    Promising HIV gel fails in latest trial

    Halted in trials, an anti-HIV gel is ineffective, but may not add to risk of infection, as previously thought.

    By Ashley Yeager
  4. Archaeology

    Greeks followed a celestial Olympics

    A Greek gadget discovered more than a century ago in a 2,100-year-old shipwreck not only tracked the motion of heavenly bodies and predicted eclipses, but also functioned as a sophisticated calendar and mapped the four-year cycle of the ancient Greek Olympics.