News

  1. Life

    Newborn cells clear space in brain’s memory-maker

    Rodent study offers first evidence that neurogenesis clears old memories in key part of the brain to make way for new ones.

    By Tina Hesman Saey
  2. Life

    Genetic effects suggest FOXP2 role in language evolution

    Human version of the protein alters activity of 116 genes compared with the chimp version.

    By Tina Hesman Saey
  3. Space

    Chemical fingerprint found for planet hunting

    The amount of lithium in the atmosphere of sunlike stars is a powerful indicator of whether such stars have planets, a new study reveals.

    By Ron Cowen
  4. Paleontology

    Small ancestor of giant sauropods unearthed

    Fossils suggest that the bipedal dinosaur occasionally walked on all fours and could open its mouth wide to gather foliage.