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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Columbia was unable to withstand the fiery re-entry into the Earth's atmosphere, disintegrating as the world watched on in horror.

Since then, they have walked thousands of miles together, even walking 500 miles on the Camino de Santiago pilgrimage path in Spain for their honeymoon.

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Wuji co-founder, Yunzhe Pan, says the hand is durable as well. "And we will make it more durable in the next generation," he adds.

This month Ofgem, the UK's energy market regulator, said a surge in demand for grid connections last year had been "driven by the rapid growth" of data centres.

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Previous winners of the prize include the Beatles' producer Sir George Martin, Trevor Horn, Brian Eno, the Eurythmics' David Stewart, Calvin Harris and Chase & Status.