Science

  • December 5, 2011    

    Researchers have discovered a monster black hole that appears to be the most massive found to date, as massive as 21 billion suns. This is one of two black holes found in elliptical galaxies some 300 million light years away … Continue reading

  • December 5, 2011  

    The next major innovation in wind power might not involve big, white turbines dotting the countryside. KQED QUEST reports on research being done on “tethered airfoils” that could capture wind energy more efficiently that earthbound turbines. This report is part of the NewsHour’s Connect series of quality public media reporting. Continue reading

  • December 2, 2011    

    Usually a finicky phenomenon limited to tiny, ultracold objects, entanglement has now been achieved for macroscopic diamonds at room temperature Diamonds have long been available in pairs–say, mounted in a nice set of earrings. But physicists have now taken that … Continue reading

  • December 1, 2011    

    On Thursday’s NewsHour broadcast, Miles O’Brien reports on the safety of the latest backscatter body-scanning machines that are widely used in American airport security. Hari Sreenivasan caught up with Miles this week to get some behind-the-scenes intelligence on the piece. … Continue reading

  • December 1, 2011  

    As millions of Americans take to the skies for holiday travel, some scientists have raised concerns about the small dose of ionizing radiation emitted by backscatter full-body scanners used to screen passengers at U.S. airports. In partnership with ProPublica, Miles O’Brien examines what we do and don’t know about the machines. Continue reading

  • November 30, 2011    

    Photo by Elizabeth Shell. Recently, Puppet Underground and Occupy DC hosted a ‘Roving Kabaret’ (‘K’ as in K St., which is one of the locations where the organization has set up tent) of various theatrical troupes that support the Occupy … Continue reading

  • November 30, 2011    

    C. elegans worms, pictured above, are a model organism for studying cell behavior in space. Photo by Flickr via snickclunk. In December 2006, the Discovery space shuttle launched into orbit carrying a seven-member crew, its first Scandinavian astronaut and 400 … Continue reading

  • November 28, 2011    

    Mala Radhakrishnan is an assistant professor at Wellesley College and is the author of a book of poems about chemistry called “Atomic Romances, Molecular Dances.” Her aim is to use poetry, but also easy-to-understand analogies to teach such subjects as thermodynamics, kinetics and molecular reactions.
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  • November 28, 2011  

    What’s behind the long struggle to reach a new international agreement on reducing greenhouse gases? Margaret Warner and The Washington Post’s Juliet Eilperin preview the U.N.’s annual climate conference. Continue reading

  • November 26, 2011    

    Update November 26| The Mars Science Laboratory launched into space at 10 am on Saturday, beginning its nine-month, 354-million-mile journey to Mars. Upon arrival, the one-ton spacecraft will hurl through the Mars atmosphere and deploy a massive parachute and an … Continue reading