News

  1. Health & Medicine

    Giant rats detect tuberculosis

    Animals can be trained to sniff out TB in sputum samples, adding to accuracy of microscope test, a study from Tanzania shows.

    By Nathan Seppa
  2. Health & Medicine

    Childhood epilepsy that lasts into adulthood triples mortality

    The added risk occurs in patients whose seizures persist, a 40-year study in Finland shows.

    By Nathan Seppa
  3. Life

    Neandertal relative bred with humans

    Known only through DNA extracted from a scrap of bone, a Siberian hominid group suggests a much more complicated prehistory for Homo sapiens.

    By Laura Sanders
  4. Space

    South Pole neutrino detector complete

    Scientists lower the last of more than 5,000 sensors into the Antarctic ice, completing the mile-deep IceCube observatory.