Uncategorized

  1. Anthropology

    Scientists battle over whether violence has declined over time

    People are no more violent in small-scale societies than in states, researchers contend.

    By Bruce Bower
  2. Genetics

    Resurrecting extinct species raises ethical questions

    'Rise of the Necrofauna' examines the technical and ethical challenges of bringing woolly mammoths and other long-gone creatures back from the dead.

    By Tina Hesman Saey
  3. Genetics

    Doubling up on ‘junk DNA’ helps make us human

    DNA duplicated only in humans may contribute to human traits and disease.

    By Tina Hesman Saey
  4. Health & Medicine

    Laws to protect athletes’ brains do reduce concussions — eventually

    Recurrent concussions among high school athletes went down about 2½ years after traumatic brain injury laws were on the books, a new study finds.