Uncategorized

  1. Anthropology

    Climate shift shaped Aussie extinctions

    Stone Age people lived virtually side-by-side with now-extinct animals in western Australia for 6,000 years.

    By Bruce Bower
  2. Health & Medicine

    Striking a Better Bargain with HIV

    Because a drug frequently used to block the transmission of HIV from mother to infant may have negative consequences for the mothers, researchers are looking for inexpensive treatments that will benefit both mother and child.

    By Ben Harder
  3. Math

    Pieces of Numbers

    A long-sought proof has forged an intriguing link between numbers expressed as sums and as products.

    By Erica Klarreich
  4. Humans

    Letters from the June 18, 2005, issue of Science News

    Road worriers “Navigating Celestial Currents: Math leads spacecraft on joy rides through the solar system” (SN: 4/16/05, p.