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  • News

    Dinosaur fossil reveals creature of a different feather

    Paleontologists have discovered a fossil partially covered with broad, unbranched filaments — a type of structure previously theorized to exist on primitive feathered dinosaurs but not found until now.

    Flight feathers on modern birds have a central shaft and stiff fibers, called barbs, that branch from that shaft. Barbules, smaller fibers that branch from the barbs, are...

    01/12/2009 - 17:41 Life & Evolution
  • News

    Mammals started flying when birds did

    The first gliding mammal winged through forests at least 70 million years earlier than scientists had previously presumed, a new fossil shows. The specimen dates from about 150 million years ago, during the time when birds were developing flight.

    "This changes our view about the early evolution of mammals," says Jin Meng of the American Museum of Natural History in New York...

    12/18/2006 - 19:05 Paleontology
  • Feature

    Science News of the Year 2001

    The year 2001 will be remembered sadly for a single date: Sept. 11. The horrific loss of lives to terrorism on that day overshadows all earlier events of the year. The fear instilled on Sept. 11 was soon exacerbated by bioterrorism, as anthrax spores sent through the mail caused additional deaths and provided a threat that seemed it might reach into any home or workplace. People immediately...

    12/19/2001 - 11:55