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.

2026年2月13日 · 吴鹏 · 来源：tutorial资讯

Екатерина Графская (Редактор отдела «Наука и техника»)

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As it blazed through Earth's atmosphere on 19 February 2025., the rocket vaporised into fireballs over Ireland, England, and Germany before it finally struck Earth.