News

  1. Anthropology

    Chimpanzee Stone Age: Finds in Africa rock prehistory of tools

    Researchers have uncovered evidence of a chimpanzee stone age that started at least 4,300 years ago in West Africa.

    By Bruce Bower
  2. Planetary Science

    Titan’s organic cloud

    The Cassini spacecraft has imaged a huge cloud that engulfs most of the north pole of Saturn's icy moon Titan and could be a source of the moon's hydrocarbon lakes.

    By Ron Cowen
  3. Health & Medicine

    Small tweaks prevent 1918-flu transmission

    Just a couple of small genetic changes in a pandemic flu virus prevented it from passing efficiently between lab animals.

    By Christen Brownlee
  4. Health & Medicine

    Orexin-blocking pill speeds sleep onset

    A new compound that inhibits the activity of the alertness-promoting brain peptide orexin shows promise as a potential sleeping pill.