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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The sweeping revisions to the agency's program came during an update on repairs to the Space Launch System rocket, which will launch Artemis II, a 10-day lunar flyby mission with a crew, as early as April.

To withdraw cash, a user inserted a magnetic card that contained an account

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