News

  1. Health & Medicine

    Broken arms way up

    Broken arms among adolescents have risen sharply from 30 years ago, possibly because of the popularity of high-risk sports such as skateboarding and a combination of less milk intake and more soft drink consumption.

    By Nathan Seppa
  2. Archaeology

    Ancient tunnel keeps biblical date

    Radiocarbon dating of material from an ancient tunnel in Jerusalem indicates that the passage was built around 700 B.C., supporting a biblical account of the tunnel's construction.

    By Bruce Bower
  3. Paleontology

    Some trilobites grew their own eyeshades

    The 380-million-year-old fossil of a trilobite strongly suggests that members of at least some trilobite species were active during the daytime, a lifestyle that scientists previously had only suspected.