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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Account for AI in the environmental footprint of scientific publishing

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In an article on Monday, Sir Keir said he wanted to "crack down on the addictive elements of social media" that "keep our children hooked on their screens for hours".

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Dorsey added that his company isn’t alone in reaching its conclusion on AI and predicted that others will follow.