News

  1. Health & Medicine

    New techniques regrow lens, cornea tissue

    Preliminary stem cell discoveries may restore lenses and corneas.

    By Tina Hesman Saey
  2. Anthropology

    H. erectus cut, chewed way through evolution

    A diet that included raw, sliced meat changed the face of early Homo evolution, scientists say.

    By Bruce Bower
  3. Climate

    Hurricane frequency dropped during 17th century ‘Little Ice Age’

    Atlantic hurricane activity fell around 75 percent when the sun dimmed from 1645 to 1715, a new analysis of shipwrecks and tree rings suggests.

    By Thomas Sumner
  4. Health & Medicine

    Microcephaly: Building a case against Zika

    Zika virus is the prime suspect for Brazil’s recent surge in birth defects.