• News

    New type of material that heat can't bloat

    A newfound material exhibits the desirable property of not expanding when heated over a wide temperature range, but from an apparent cause never seen before—electrons changing positions inside the new compound's crystal structure.
  • News

    Cancer drug might fight Alzheimer's

    Tests in animals show that the cancer drug imatinib mesylate, also called Gleevec, slows formation of the kinds of plaques found in the brains of Alzheimer's patients.
  • News

    Clays catalyze life?

    Clay minerals at the bottom of the ocean may have played a crucial role in assembling the very first cells on Earth billions of years ago.
  • News

    Ancient atmosphere was productive

    New laboratory experiments suggest that extra carbon dioxide in the atmosphere in the era just before the dinosaurs went extinct may have boosted plant productivity to at least three times that found in today’s ecosystems.
  • News

    Healed scars tag T. rex as predator

    Healed wounds on the fossil skull of a Triceratops—wounds that match the size and shape of those that would be made by Tyrannosaurus rex—are a strong sign that the tooth scrapes are a result of attempted predation, not scavenging.
  • Feature

    Beast Buddies

    As researchers muse about the evolutionary origins of friendship, even the social interactions of giraffes are getting a second look.
  • Feature

    A Spin through Space-Time

    After 40 years of preparation, satellite Gravity Probe B is scheduled to launch next month and test the prediction that massive bodies, such as Earth, twist space itself as they rotate.
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