Uncategorized

  1. Life

    X-rays in 3-D show nanosized details

    A new X-ray microscope technique peers inside materials to reveal their inner nature.

    By Gwyneth Dickey
  2. Humans

    Clues to child sacrifices found in Inca building

    Children killed in elaborate rituals were drawn from all over the South American empire, new research suggests.

    By Bruce Bower
  3. Health & Medicine

    Main malaria parasite came to humans from gorillas, not chimps

    Using DNA from fecal samples, researchers show that the infection was not passed to Homo sapiens by its closest primate relative.

    By Rachel Ehrenberg
  4. Health & Medicine

    Vital flaw

    Liver cells that inherit the wrong number of chromosomes often do just fine, and may even have some advantages.