News

  1. Space

    Universe has more entropy than thought

    New calculations suggest that the cosmos is more disorderly than thought and is a bit closer to heat death.

    By Ron Cowen
  2. 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
  3. Life

    Mitochondria behind life span extension

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

    By Laura Sanders
  4. 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