Uncategorized

  1. Animals

    Female owls: First to advertise good genes

    Swiss researchers find the first case of a female flashing ornaments that advertise her gene quality to choosy males.

    By Susan Milius
  2. Health & Medicine

    New gene-therapy techniques show potential

    Two technologies for transferring genes, one that uses mobile DNA called transposons and another that uses a weak virus, have proved successful in overcoming genetic disorders in mice.

    By Nathan Seppa
  3. Humans

    From the October 29, 1932, issue

    THE OWL AND THE PUSSYCAT RIVALS AT MOUSE-CATCHING One of the favorite riddles of childhood was, “Spell ‘mousetrap’ in three letters”; and the answer was “C-A-T.” With even more appropriateness, the answer might have been “O-W-L,” for the Owl is an even better mousetrap than the Pussycat, besides being somewhat more restrained in the matter […]

    By Science News
  4. Earth

    Timely Climate

    Science educators at the University of Colorado and the National Geophysical Data Center in Boulder have designed an online tool that lets users study climate change and variability on different time scales–from daily fluctuations to cyclic changes with periods that span 100,000 years.