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Brains

sleep deprivation

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A bad night鈥檚 sleep messes with your brain鈥檚 memory connections

Tests on people鈥檚 brains after a night of disruption suggest that sleep is important for clearing space for forming new memories

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silhouette of a person next to a sign pointing the way to a polling station

Humans

Our biases get in the way of understanding human behaviour

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Several images of the same location are stitched together in a patchwork fashion

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Mystery of d茅j脿 vu explained 鈥� it鈥檚 how we check our memories

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Humans

Are you a nice person? Brain scans can tell how generous you are

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A woman adds salt to her chips

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Does eating more salt prevent migraines and severe headaches?

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A man wearing a portable scanner

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First wearable brain scanner to probe people with amazing gifts

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Environment

Cherry or rhubarb? Orangutan mixes tasty cocktails in its mind

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A paralysed man trains using apparatus that is connected to his brain

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Virtual reality helps eight paralysed people feel their legs

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First real-time look at genes switching off in live human brains

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children with Downs

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Parents giving unproven IQ-boosting drugs to kids with Down’s

Drugs like Prozac and bumetanide show early promise for boosting intelligence in mouse studies, but activists say we should value people for who they are

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Best look yet at how our brain’s sewage system flushes out waste

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Environment

Baby monkeys smile in their sleep – more so than human babies

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Being fat in middle age may shrink your brain鈥檚 white matter

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Life

Found: brain switches that wake flies up and send them to sleep

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