News

  1. Genetics

    Bats in China carry all the ingredients to make a new SARS virus

    Viruses infecting bats could recombine to re-create SARS.

    By Tina Hesman Saey
  2. Animals

    Jackpot of fossilized pterosaur eggs unearthed in China

    A treasure trove of pterosaur eggs and embryos gives tantalizing clues to the winged reptile’s early development.

    By Carolyn Gramling
  3. Anthropology

    Strong-armed women helped power Europe’s ancient farming revolution

    Intensive manual labor gave ancient farm women arms that female rowers today would envy.

    By Bruce Bower
  4. Health & Medicine

    Testosterone may be one reason why men don’t get asthma as much as women

    Adult women have higher rates of asthma than men, and testosterone’s effect on the immune system may partly explain that difference.