News

  1. Space

    Glimpse at early universe finds expansion slowdown

    BOSS project looks at acceleration rate before dark energy hit the gas.

    By Andrew Grant
  2. Life

    Chromosome ends hold clues to a bird’s longevity

    Short telomeres are tied to higher mortality in Indian Ocean warblers.

    By Tina Hesman Saey
  3. Earth

    Mexican silver made it into English coins

    Chemical tests of currency help reveal where New World riches flowed.

    By Alexandra Witze
  4. Psychology

    Word-detecting baboons are a tough read

    New models offer contrasting views of monkeys’ ability to identify frequently seen letter pairs.

    By Bruce Bower
  5. Tech

    Printed robot moves with a beat

    Tiny device created with a 3-D printer employs heart cells to make it move.