News

  1. Animals

    Amphibian killer forces immune-cell suicides

    Fungal menace to frogs and their kin shuts down key parts of the animals’ defenses.

    By Susan Milius
  2. Neuroscience

    Sleep allows brain to wash out junk

    Discovery of fluids flowing in mice while they slumber could lead to better treatments for Alzheimer’s disease.

    By Tina Hesman Saey
  3. Anthropology

    Fossil skull points to single root for human evolution

    New find suggests that humankind’s origins trace to an ancient species that spread from Africa to Asia.

    By Bruce Bower
  4. Health & Medicine

    Hopes raised for Ebola treatment

    Most monkeys given dual therapy survive infection with lethal virus.