News

  1. Paleontology

    Ancestral Handful: Tiny skull puts Asia at root of primate tree

    Researchers have unearthed the partial skull of the oldest known primate, a tiny creature that lived in south-central China 55 million years ago.

    By Bruce Bower
  2. Earth

    My Own Private Bad-Air Day: Outdoor data underrate pollutant exposure

    Most people breathe in substantially more organic contaminants than airborne concentrations of such substances in their homes and communities would suggest.

    By Ben Harder
  3. Animals

    Whale Haunt: Nursing, feeding spot found off south Chile

    A survey along the coast of southern Chile has turned up a previously undocumented blue whale hangout that seems to be a feeding ground.

    By Susan Milius
  4. Physics

    Topsy Turvy: In neutrons and protons, quarks take wrong turns

    Revved-up particles, namely quarks, spinning inside neutrons in the opposite direction to that of the neutrons themselves, challenge the prevailing model of how quarks behave.