News

  1. Anthropology

    Humans in eastern Asia show ancient roots

    Human ancestors lived in northeastern Asia about 1.36 million years ago, making it the oldest confirmed occupation site in eastern Asia.

    By Bruce Bower
  2. Health & Medicine

    Acacia-tree extract fights cancer in mice

    Compounds called avicins extracted from Acacia victoriae, an Australian desert tree, inhibit inflammation and cancer in test-tube and mouse studies.

    By Nathan Seppa
  3. Health & Medicine

    Germs can survive weeks on fabrics, plastic

    Soft, dry surfaces in hospitals can harbor live germs for more than a month.

    By Janet Raloff
  4. Health & Medicine

    Blood vessels (sans blood) shape organs

    Even before they begin to carry blood, blood vessels provide signals that help spark the development of organs such as the liver.