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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Reply to: Limitations of probing field-induced response with STM

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FedEx will

文 | 锌刻度，作者 | 李觐麟，编辑 | 黎文婕