The Economist -
24 Jul 2017 23:11

EXPERIMENTS that go according to plan can be useful. But the biggest scientific advances often emerge from those that do not. Such is the case with a study just reported in theProceedings of the National Academy of Sciences. When they began it, Hector DeLuca of the University of Wisconsin, Madison, and his colleagues had been intending to examine the effects of ultraviolet (UV) light on mice suffering from a rodent version of multiple sclerosis (MS). By the project's end, however, they had in th...
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