Uncategorized

  1. Humans

    Origins of alcohol consumption traced to ape ancestor

    Eating fermented fruit off the ground may have paved way for ability to digest ethanol.

    By Erin Wayman
  2. Earth

    Blood levels of BPA become source of controversy

    New data question whether human blood measurements of BPA reflect sample contamination or just exaggerated exposures.

    By Janet Raloff
  3. Earth

    Aquatic predators affect carbon-storing plant life

    Freshwater predator species can prevent the overgrazing of plants that suck up carbon dioxide from the atmosphere.

    By Janet Raloff
  4. Life

    Bird, human tweets come from similar parts of the brain

    Genetics study finds parallels in birdsong and language.