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  1. Humans

    Letters from the June 26, 2004, issue of Science News

    Theory and practice Like physicists, mathematicians have always been divided into theorists and experimentalists (“Math Lab: Computer experiments are transforming mathematics,” SN: 4/24/04, p. 266: Math Lab). And, as with the physicists, the two groups of mathematicians have not gotten along very well. Still, in physics, there has always been an understanding that both groups […]

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  2. Sleepy brains take learning seriously

    After people practice a hand-eye coordination task, electrical activity in specific areas of the brain during sleep reflects neural processes involved in learning to perform that task better.

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  3. Physics

    New pass at neutrino mass

    The first experiment to create neutrinos in an accelerator and then beam them a long distance has found a long-awaited, new form of evidence that those fundamental particles weigh something.