Uncategorized

  1. Astronomy

    Old Stars Even Older: Determining a new age for the universe

    Using particles accelerators to mimic the conditions inside stars, two independent research groups have found evidence that the most-ancient known stars are about a billion years older than astronomers had estimated.

    By Ron Cowen
  2. Humans

    Letters from the May 22, 2004, issue of Science News

    Further options “Surgical Option: Hysterectomy may top drugs for women with heavy bleeding” (SN: 3/27/04, p. 196: Surgical Option: Hysterectomy may top drugs for women with heavy bleeding) doesn’t mention that 13 to 20 percent of women with heavy menstrual periods have a common but often undiagnosed bleeding disorder called von Willebrand disease. Because this […]

    By Science News
  3. Paleontology

    Rare English bits are oldest known charcoal

    Analyses of small black chunks of material extracted from 420-million-year-old rocks found along the England-Wales border suggest that they're remnants of the earliest known wildfire.