News

  1. The tree of life, with tangled roots

    Two ancient, rudimentary organisms merged to create the first complex cell, new data suggest.

    By
  2. Schizophrenia takes fatal turn in China

    Suicides among people with schizophrenia are a major public-health concern in China.

    By
  3. Anthropology

    Ancient head case

    A 1.8-million-year-old Homo erectus skullcap came from a 1-year-old child whose brain grew at a rate more like that of chimpanzees than of people.

    By
  4. Earth

    Deep Squeeze: Experiments point to methane in Earth’s mantle

    Although today's fossil fuel reserves reside in Earth's crust, a new study suggests that hydrocarbon fuel might also nestle deep in the mantle, at depths of 100 kilometers or more.