Uncategorized

  1. Goodnight moon, hello Mom

    A national study finds that about 13 percent of U.S. infants now routinely sleep in a bed with their mothers or other adults, intensifying interest in alleged health benefits and risks of bed sharing for babies.

    By Bruce Bower
  2. Astronomy

    Sundancing

    Astronomers have solved the mystery of why supergranules—enormous cells of turbulent, charged gas on the sun's surface—appear to move across the sun faster than the sun rotates.

    By Ron Cowen

  3. 19161

    You are usually pretty good at explaining things to those of us outside the hard sciences, but the speed of gravity? Speed of light OK, but what is the speed of gravity? Robert L.