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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英國南極考察局及其美國對應機構「美國南極計劃」均在網上刊登職缺。英國南極考察局亦會在3月舉行開放日。

The astronaut who experienced a medical issue in space last month has identified himself as the sick member of his crew prompting an evacuation from the International Space Station.

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