Uncategorized

  1. Life

    Replaying evolution

    By watching bacteria evolve in the lab for 20 years, researchers show that evolution may be rather capricious.

    By Patrick Barry
  2. Math

    Communities of Communities of …

    A new approach to network theory focusing on the subcommunities within networks may shed light on everything from food webs to terrorist cells. It may even act as an oracle, helping scientists identify connections within a network they haven’t yet seen.

    By Julie Rehmeyer
  3. Humans

    Fostering gains

    New studies indicate that abused and neglected kids benefit from living with relatives and from high-quality foster care services.

    By Bruce Bower
  4. Earth

    Natural heat

    Heat from the decay of radioactive elements deep within the planet could meet Earth’s energy needs almost three times over — if we could harness all of it.