Start school later, sleep longer, learn better: New study shows that flexible school start times can be an effective and practical approach to reducing chronic sleep deprivation and improving adolescents’ mental health and academic performance.

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文 | 螺旋实验室，作者丨追命，编辑丨坚果

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Evidence alone won’t save biodiversity: the golden apple snail reveals an implementation gap

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Медведев вышел в финал турнира в Дубае17:59