Uncategorized

  1. Paleontology

    First Family’s last stand

    New evidence indicates that about 3.2 million years ago, at least 17 Australopithecus afarensis individuals were killed at the same time by large predators at an eastern African site.

    By Bruce Bower
  2. Astronomy

    Fast-track planet

    Astronomers have found a planet that's the closest yet known to its parent star, whipping around the star every 28.5 hours.

    By Ron Cowen

  3. Second cold-sensing protein found

    Researchers have found a second mammalian cell-surface protein that enables nerve cells to recognize cold temperatures.

    By John Travis

  4. 19318

    In regard to natural causes of coal fires, another cause not mentioned in the article involves the oxidation of pyrite, an iron sulfide that commonly occurs in coal beds.