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Your search has returned 38 articles:
  • News


    And dot your T's

    In the article about infinity ("Infinite Wisdom," SN: 8/30/03, p. 139: Infinite Wisdom), the "stereoscopic" images of tiny squares on page 140 are too far apart to view in the conventional way. However, if the viewer holds the magazine at arm's length and looks cross-eyed at the pair, the diagonal across the square becomes visible.

    Robin FrostSanta Barbara...

    10/22/2003 - 21:44 Humans & Society
  • News

    Super Spinner: Seven-atom speck acts like superfluid

    Superfluids are weird liquids that flow with no friction and can perform fantastic feats, such as spontaneously crawling over the walls of containers. Theorists have proposed that quantum-mechanical interactions among even a few atoms can give rise to such behaviors.

    Now, researchers in Canada have evidence for the onset of superfluidity in a droplet containing a mere seven...

    10/22/2003 - 12:31 Physics
  • News

    Bob, Bob, Bobbin' Along: Dinosaur buoyancy may explain odd tracks

    Some of the heftiest four-legged dinosaurs ever to walk the Earth occasionally left sets of footprints that include only the imprints of their front feet. New laboratory and computer studies may explain what those animals were doing with their hind legs.

    The sauropod group of dinosaur species consisted of large herbivores, some weighing up to 100 metric tons. These behemoths spent most...

    10/22/2003 - 12:07 Paleontology
  • News

    When really big winds collide

    Outbursts of a massive star created the gaseous shell known as the Crescent nebula. Rushing toward a supernova death, the star (not shown) had expanded enormously, jettisoning its outer layers at some 32,000 kilometers per hour. Radiation from the exposed inner layers then began ejecting gas at more than 100 times that speed.

    The collision between the fast and slow winds...

    10/22/2003 - 11:55 Astronomy
  • News

    Bad for the Bones: Thwarted hormone leads to skeletal decay

    A hormone with one widely recognized task may not be single purposed after all. Thyroid-stimulating hormone (TSH), which is made in the pituitary gland and circulates in the body, pumps up production of thyroid hormone, an important regulator of metabolism. Now, research demonstrates that TSH also affects the constant remodeling of bone: Lab mice that aren't responsive to TSH show signs of...

    10/22/2003 - 10:07