Uncategorized

  1. Earth

    New Recipe for Pollution Stew: Another chemical culprit adds to ozone

    A reactive chemical in urban air cleans up some pollutants but could introduce another.

    By Sid Perkins
  2. Astronomy

    In the Beginning: More early clues for life at home, out there

    Astronomers move closer to understanding how life arose on Earth and how it could arise elsewhere.

    By Ron Cowen
  3. Health & Medicine

    Long-life Link: Gut protein ties low insulin to longevity

    A new link between insulin and aging adds to scientists' understanding of longevity and points to possible targets for life-extending therapies.

    By Patrick Barry
  4. Animals

    Finch Concerts: Female bird brain notes male attention

    Male zebra finches sing slightly differently when serenading a female as opposed to twittering to themselves, and females react to those differences.