News

  1. Earth

    Adding mussel to environmental assessments

    Researchers have developed a new technique, using mussel shells, that could aid in autopsies of aquatic ecosystems that perished for unknown reasons.

    By Ben Harder
  2. Health & Medicine

    Ketone diet could help in Parkinson’s

    A strict low-carb diet long used to treat some people with epilepsy has been tailored so that it might fight Parkinson's disease.

    By Ben Harder
  3. Earth

    PCBs damage fish immune systems

    A common Arctic fish can suffer subtle immunological impairments from exposure to polychlorinated biphenyls at concentrations recorded in some remote polar waters.

    By Janet Raloff
  4. Anthropology

    Human fossils are oldest yet

    Homo sapiens fossils found along Ethiopia's Omo River in 1967 date to 195,000 years ago, making them the oldest-known remains of our species.