Uncategorized

  1. Earth

    How a ring of mountains forms inside a crater

    Rocks drilled from the Chicxulub crater linked to the demise of the dinosaurs reveal how mountainous peak rings form within large impact craters.

    By Thomas Sumner
  2. Astronomy

    Mysterious radio signals pack power and brilliance

    The brightest fast radio burst has been detected, while another team reveals a previous burst might have carried gamma rays as well as radio waves across space.

    By Christopher Crockett
  3. Health & Medicine

    50 years ago, fluoridation was promoted as a bone protector

    In 1966, scientists hoped fluoride might protect adult bone health. While the results broke down over time, the benefits for teeth remain clear.