News

  1. Anthropology

    Big Viking families nurtured murder

    Vikings in Iceland got a murderous boost from having large extended families.

    By Bruce Bower
  2. Physics

    Rarest nucleus reluctant to decay

    Tantalum-180m has a half-life more than a million times the age of the universe.

    By Emily Conover
  3. Genetics

    To make female pill bugs, just add bacterial genes

    Genes from Wolbachia bacteria infiltrated pill bugs and now make genetic males female.

    By Susan Milius
  4. Cosmology

    After Big Bang, shock waves rocked newborn universe

    Shock waves in the early universe could explain the generation of magnetic fields and the predominance of matter over antimatter.

    By Emily Conover
  5. Animals

    Primitive signs of emotions spotted in sugar-buzzed bumblebees

    When bumblebees eat a sugary snack, they make more optimistic decisions, a new study finds.