News

  1. Animals

    No Early Birds: Migrators can’t catch advancing caterpillars

    Pied flycatcher numbers are dwindling in places where climate change has knocked the birds' migration out of sync with the food-supply peak on their breeding grounds.

    By Susan Milius
  2. Anthropology

    Evolutionary Back Story: Thoroughly modern spine supported human ancestor

    Bones from a spinal column discovered at a nearly 1.8-million-year-old site support the controversial possibility that ancient human ancestors spoke to one another.

    By Bruce Bower
  3. Earth

    Tainted by Cleanser: Antimicrobial agent persists in sludge

    About 76 percent of a commonly used antimicrobial agent exits sewage-treatment plants as a component of the sludge that's often used as a farm fertilizer.