Uncategorized

  1. Ecosystems

    Pigeons usually let best navigator take the lead

    One bird usually leads the flock, but sometimes another gets a turn at the helm.

    By Rachel Ehrenberg
  2. Life

    Scientists name large but elusive lizard

    Though locals knew of it, the 2-meter cousin to Komodo dragons had escaped scientific description.

    By Susan Milius
  3. Life

    Gene variants linked to Crohn disease have little effect, study finds

    A genetic variant linked to Crohn disease does not raise the average person’s risk of developing the condition, a new study finds.

    By Tina Hesman Saey
  4. Chemistry

    Superheavy element 117 makes debut

    An international team of researchers fill a gap in the periodic table, and lay another stepping stone along the path to the “island of stability.”