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1

The biggest threat to Chernobyl is no longer radiation

2

Largest ever map of universe captures 47 million galaxies and quasars

3

My life as a meteorologist in Chernobyl under Russian occupation

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Exclusive report: Inside Chernobyl, 40 years after nuclear disaster

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Neanderthal infants were enormous compared with modern humans

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We’ve caught a comet switching its spin direction for the first time

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

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The rise, the fall and the rebound of cyclic cosmology

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Monkeys walk around a virtual world using only their thoughts

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Our dreams become more emotive and symbolic as we approach death