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This is Scientific Americans 60-Second Science, I'm Cynthia Graber. This will just take a minute. In vitro fertilization(试管受精) efforts can be helped by oddly enough oral contraceptives .That's the finding from Tel Aviv University, site of the
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AS IT IS 2014-08-25 Scientists Developing Blood Test for PTSD Post-Traumatic Stress Disorder or PTSD is caused by a frightening event, either witnessed or experienced. Signs of the disorder may include depression, bad dreams and severe nervousness. T
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Ed Cooke, CEO and co-founder of Memrise, has an unusual background for an entrepreneur. Forget business school or years as a consultant, Cooke spent most of his 20s competing in memory championships, winning competitions by performing heroic mental f
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