News

  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

    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
  3. Life

    The next wave of bird flu could be worse than ever

    Deadly bird flu can pass between ferrets through the air.

    By Laurel Hamers
  4. Life

    The physics of mosquito takeoffs shows why you don’t feel a thing

    Even when full of blood, mosquitoes use more wing force than leg force to escape a host undetected — clue to why they’re so good at spreading disease.