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Are Neanderthals descendants of modern humans?

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Hospital-acquired pneumonia reduced by daily toothbrushing

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How autoimmune conditions can unexpectedly drive mental illness

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Exclusive report: Inside Chernobyl, 40 years after nuclear disaster

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Beef is making a comeback – does it fit into a healthy diet?

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The rise, the fall and the rebound of cyclic cosmology

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From autism to migraines, birth order may have wide-reaching effects

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

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How worried should you be about an AI apocalypse?

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