News

  1. Anthropology

    Thigh bone adds to mystery over 14,000-year-old Homo species

    Controversial Chinese leg fossil may point to hybrid humans 14,000 years ago.

    By Bruce Bower
  2. Health & Medicine

    To treat the heart, start with the gut

    Preventing gut bacteria from making certain chemical compounds reduced artery clogging in mice, researchers report.

    By Sarah Schwartz
  3. Life

    In the body, cells move like flocks of birds or schools of fish

    Cells move in groups similarly to flocks of birds and schools of fish

    By Tina Hesman Saey
  4. Neuroscience

    Mini microscope is a window into live muscle tissue

    A tiny microscope offers unprecedented views of live human muscles.