News

  1. Chemistry

    Flowerless plants make fancy amber

    A new analysis suggests that ancient seed plants made a version of the fossilized resin credited to more modern relatives

    By Rachel Ehrenberg
  2. Life

    Mitochondria behind life span extension

    Study in flies suggests low-protein diet works through power-producing organelles.

    By Laura Sanders
  3. Humans

    Partial skeleton gives ancient hominids a new look

    African hominid fossils, including a partial skeleton, reveal a surprising mix of features suitable for upright walking and tree climbing 4.4 million years ago.

    By Bruce Bower
  4. Health & Medicine

    Excreted Tamiflu found in rivers

    A Japanese study finds that excreted Tamiflu ends up in river water, raising concerns that birds hosting a flu virus will develop drug-resistant strains.