News

  1. Tech

    Iron Power: Eking more juice from batteries

    By creating an extremely thin layer of an unusually electron-hungry form of iron, chemists have made a prototype rechargeable battery electrode that may lead to improved metal hydride batteries.

    By Peter Weiss
  2. Anthropology

    Prehistoric Family Split: DNA puts Neandertals on edge of human ancestry

    The largest sample of ancient mitochondrial DNA extracted from Stone Age fossils to date indicates that Neandertals made, at most, a small genetic contribution to our direct prehistoric ancestors.

    By Bruce Bower
  3. Health & Medicine

    Gap in the Defense: Brain cancer patients short on valuable protein

    Brain tumor cells have a dearth of an obscure protein called ING4, whose sister compounds have shown anticancer effects.