Uncategorized

  1. Health & Medicine

    Stoplights are hot spots for airborne pollution

    Drivers get a big chunk of their exposure to pollutants from short stops at traffic intersections.

    By Kate Baggaley
  2. Paleontology

    Earliest tree-dweller, burrower join mammal tree of life

    Fossils show mammal ancestors did a lot more than cower in dinosaurs’ shadows.

    By Susan Milius
  3. Climate

    Worst drought in a millennium predicted for central and southwest U.S.

    Comparing reconstructions of past drought conditions with models of future dryness shows that the Central Plains and Southwest U.S. will become the driest in a millennium.

    By Ashley Yeager
  4. Animals

    When you’re happy and you show it, dogs know it

    A new test using pictures of halves of human faces challenges dogs’ abilities to read people’s emotions.