News

  1. Chemistry

    Meteorite that fell last year contains surprising molecules

    Compounds in space rocks like the one that broke up over California may have helped seed life on Earth.

    By Andrew Grant
  2. Math

    Egypt wasn’t built in a day, but it did rise quickly

    New timeline of ancient civilization’s earliest days finds little time between earliest villages and dominant centralized state.

    By Andrew Grant
  3. Humans

    Babies perk up to sounds of ancient hazards

    Evolution has primed infants to focus on noises linked to longstanding dangers, a new study finds.

    By Bruce Bower
  4. Life

    Many genes in dolphins and bats evolved in the same way to allow echolocation

    Widespread changes scattered across the genomes of distantly related species cooperated to craft the trait.