1. Health & Medicine

    Sleeping Soundly for a Longer Life

    People who have trouble falling or staying asleep may be more likely to die sooner from natural causes compared to those who sleep well.

  2. Health & Medicine

    Tapeworms and drug delivery

    Scientists are learning from tapeworms how to develop more effective medicines.

  3. Humans

    Digging for ancient DNA

    Soil has yielded identifiable DNA of animals and plants that lived up to 400,000 years ago.

  4. Health & Medicine

    A framework for growing bone

    A promising new material could help encourage damaged or broken bones to grow back.

  5. Health & Medicine

    Remembering Facts and Feelings

    An inner-brain region called the hippocampus may be the root of memory of both experiences and fact.

  6. Health & Medicine

    Sea Kids See Clearly Underwater

    Sea-gypsy children spend so much time swimming that their eyes have adapted to improve vision underwater.

  7. Health & Medicine

    Gut germs to the rescue

    Many of the bacteria that live in our intestines may help keep us healthy.

  8. Humans

    Fossil skulls plug gap in human origins

    Anthropologists have unearthed the oldest fossils of modern people ever found.