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1

Neanderthal infants were enormous compared with modern humans

2

The biggest threat to Chernobyl is no longer radiation

3

Largest ever map of universe captures 47 million galaxies and quasars

4

Exclusive report: Inside Chernobyl, 40 years after nuclear disaster

5

The man who ruined mathematics

6

Monkeys walk around a virtual world using only their thoughts

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

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Collapse of key ocean current may release billions of tonnes of carbon

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Tweaking the smell of cat food can encourage fussy felines to eat

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The man who crawls into the perilous heart of the Chernobyl reactor