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  • Einstein camera
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  • Feature

    Bypass’s Big Boon

    Just in time to combat the obesity epidemic sweeping the United States, a surgery called gastric bypass is riding a host of molecular and clinical findings to emerge as the preferred operation for severely overweight people. There is no shortage of patients; fully one-third of U.S. adults are now obese.

    Gastric bypass has gained popularity in part...

    08/26/2011 - 11:40
  • Feature

    Helping Bats Hold On

    When Donald McAlpine and his colleagues broke through a snow barricade at the entrance to a cave in New Brunswick this March, bat carcasses covered the floor. The biologists had been conducting winter surveys throughout the Canadian province for two years, monitoring the health of hibernating bats. As of early winter, all appeared healthy. But now hosts of corpses lay shrouded in a pale...

    08/26/2011 - 11:38 Life & Evolution
  • Feature

    Flying on Sunshine

    When it comes to futuristic space travel, few concepts are more romantic than sailing on sunlight. Soar above Earth, unfurl a jib and tack your way through the solar system all the way to interstellar space.

    Solar sails have been a mainstay of dreamers since Johannes Kepler, who speculated four centuries ago that...

    08/26/2011 - 11:01 Atom & Cosmos
  • Reviews & Previews

    BOOK REVIEW: The Neighborhood Project: Using Evolution to Improve My City, One Block at a Time by David Sloan Wilson

    Darwin’s theory of evolution is the bedrock of modern biology. Populations of organisms acquire advantageous new traits, pass them on to subsequent generations and sometimes create new species. In his fascinating new book, Wilson, an evolutionary biologist, suggests applying the principles of evolution to social and cultural problems.

    In an easy-to-read, conversational...

    08/26/2011 - 10:38
  • Reviews & Previews

    BOOK REVIEW: Now You See It: How the Brain Science of Attention Will Transform the Way We Live, Work, and Learn by Cathy N. Davidson

    The author started out as a child with dyslexia and big-time learning problems. Now she’s an out-of-the box administrator at Duke University who has written a stimulating book trumpeting the benefits of computer-based school and business reforms that exploit people’s natural tendency to multitask.

    Davidson’s debut as a digital rabble-rouser came in 2003. She led a...

    08/26/2011 - 10:38