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1

Are Neanderthals descendants of modern humans?

2

The biggest threat to Chernobyl is no longer radiation

3

Neanderthal infants were enormous compared with modern humans

4

Hospital-acquired pneumonia reduced by daily toothbrushing

5

We might finally know how to use quantum computers to boost AI

6

Is a super El Niño imminent, and what could the impacts be?

7

The rise, the fall and the rebound of cyclic cosmology

8

The simple questions cracking the hard problem of consciousness

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A key solution to climate change isn't happening – and that's good

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Exclusive report: Inside Chernobyl, 40 years after nuclear disaster