Say what you will about Bill Gates, but the Microsoft chairman is undoubtedly a valuable spokesman for science and technology education in this country. Speaking before the House of Representatives' Committee on Science and Technology yesterday, Gates reiterated comments he made last year; telling lawmakers that the U.S. needs to revamp its education program, and make it easier for qualified foreigners to work here. Otherwise, he warned, U.S. companies will not have the science and engineering talent they need to compete on the global scale.

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Here's a mildly reassuring fact from today's AAAS news briefing on nuclear forensics: There are no known cases of a finished nuclear weapon being stolen or sold on the black market. But raw nuclear materials are a different story. In the past fifteen years, more than 1,300 cases of nuclear trafficking have been registered. Anita Nilsson of the International Atomic Energy Agency, a member of today's panel, said that most of these cases were "innocent," but some are anything but. The 400 grams of weapons-ready plutonium seized at the Munich airport in 1994?

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The idea that a presidential debate focused on science will advance the cause of science "is more magical thinking than scientific," according to a new essay by David Goldston in the journal Nature. Momentum around such a debate has been growing since December, when a grassroots, nonpartisan group called Science Debate 2008 started a petition that called for a "public debate in which the U.S. presidential candidates share their views on the issues of The Environment, Medicine and Health, and Science and Technology Policy." The petition now has many thousand signatories [full disclosure: they include both myself and the editor-in-chief of Popular Science, a.k.a. my boss].

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On page 13 of the introductory pamphlet A Brief Guide to Alcoholics Anonymous, the organization's famous 12 steps begin as such: We admit we are powerless over alcohol—that our lives have become unmanageable. Although President Bush maintains that he quit the sauce on his own, without the help of AA, he is evidently familiar with their directives, for on Tuesday night in his State of the Union address, Bush admitted that we have a problem: global warming.

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