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The benefits of sleep may be more universal than we thought. We know it helps clear waste from the brain in humans, and now it seems that even creatures without brains like ours get similar benefits

An ambitious form of climate modelling aims to pin the blame for disasters – from floods to heatwaves – on specific companies. Is this the tool we need to effectively prosecute the world’s biggest carbon emitters?

For nearly three decades, the International Space Station has been the only destination in low Earth orbit, but that will change this year. Could it be the start of a thriving economy in space?