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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Josh Sarge

By the end of the 21st century, only eight of the 21 cities that have hosted the Winter Olympics are projected to be cold enough to reliably host the Games due to climate change. Challenges faced by Milano Cortina 2026 organisers such as producing artificial snow, establishing transport links between remote locations and building new infrastructure are likely to become more omnipresent at future editions.