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 latest foreboding is from Citrini Research, a little-known US firm that provides insights on “transformative ‘megatrends’”. Its post on Substack, which it called a “scenario, not a prediction”, rattled investors by portraying a near future in which autonomous AI systems – or agents – upend the entire US economy, from jobs to markets and mortgages.

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