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Your search has returned 23 articles:
  • Science Future

    Science Future for September 26, 2009

    October 5–7 Nobel Committee announces medicine, physics and chemistry awards. Visit

    November 1 Petitions for a chemistry-themed postage stamp are due to the American Chemical Society. See

    November 1–3 “Darwin in the 21st Century: Nature, Humanity and God” at the University of Notre Dame in Indiana. Visit

    09/11/2009 - 13:50
  • Feature

    Desperately Seeking Moly

    Of all the radioactive isotopes used in medical diagnostics, none plays a more pivotal role than technetium-99m. Each weekday, hospitals and clinics around the world use it to perform about 60,000 diagnostic procedures. Used in about 80 percent of nuclear imaging tests, the isotope is one of modern medicine’s major tools for detecting, evaluating and treating cancers, heart disease and other...

    09/11/2009 - 13:21
  • Feature

    Hunting Hidden Dimensions

    In many ways, black holes are science’s answer to science fiction. As strange as anything from a novelist’s imagination, black holes warp the fabric of spacetime and imprison light and matter in a gravitational death grip. Their bizarre properties make black holes ideal candidates for fictional villainy. But now black holes are up for a different role: heroes helping physicists assess the...

    09/11/2009 - 13:06
  • Feature

    Broken Symmetry

    On the outside, people’s right and left sides look pretty much the same. On the inside, though, such superficial symmetry gives way to an imbalanced array of organs: The heart, spleen and stomach sit on the left side of the body, while the liver and pancreas take up the right. Even organs that at first glance appear as perfect mirror images of each other, such as the kidneys, lungs and...

    09/11/2009 - 12:30
  • Reviews & Previews

    Book Review: Stories in Stone: Travels Through Urban Geology by David B. Williams

    Cities may seem like the most artificial places on Earth, yet a close look at massive buildings can reveal troves of natural geological glory. In chapter after fascinating chapter of Stories in Stone, Williams, a geologist, deftly describes the mineralogy and history of some of the world’s most common building materials.

    The porosity of marble often renders the stone...

    09/11/2009 - 12:14
  • Reviews & Previews

    Homage to a Pied Puzzler

    A collection of math problems and stories pays tribute to math popularizer and Scientific American columnist Martin Gardner.AK Peters, 2009, 285 p., $49.

    09/11/2009 - 12:09
  • Reviews & Previews

    Theo Gray’s Mad Science: Experiments You Can Do at Home — But Probably Shouldn’t by Theodore Gray

    Dramatic experiments, captured in color photography with step-by-step instructions, demonstrate scientific principles from the everyday world.Black Dog & Leventhal, 2009, 239 p., $24.95.

    09/11/2009 - 12:08
  • Comment

    From baby scientists to a science of social learning

    Developmental psychologist Andrew Meltzoff codirects the Institute for Learning and Brain Sciences at the University of Washington in Seattle. In the July 17 Science, Meltzoff and his colleagues published a paper titled “Foundations for a New Science of Learning.” Meltzoff recently spoke with Science News writer Bruce Bower.

    What does the science of learning tell us about the nature of...

    09/11/2009 - 12:01
  • Science Past from the issue of September 26, 1959

    Many Americans suffer “television bottom” — Many Americans are suffering from a condition called “television bottom.” The medical term for the condition is coccygodynia, pain in the tail of the spine. It arises frequently from spending long periods of time before the television set.… Most patients habitually sit with a poor posture, with the lower portion of the back arched out instead...

    09/11/2009 - 10:44
  • Letters to the Editor


    ‘Black hole’ origins “Black hole theory and discovery” (Back Story, SN: 7/4/09, p. 6) credits John Archibald Wheeler for inventing the term black hole in 1967. This is a very widespread choice, but it cannot be right. In January 1964, your ancestral publication, Science News Letter, carried a short article titled “‘Black holes’ in space,” which reported on a session at the AAAS meeting...

    09/11/2009 - 10:44