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Nerve cells in small intestine

Health

Your gut is full of neurons and they are replaced every 2 weeks

A mouse study suggests most neurons in the intestines die every two weeks. An imbalance in the number of neurons could lead to gut diseases or even Parkinson’s

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face

Mind

The truth behind ASMR and the craze for videos causing 'head orgasms'

Features

Nick Ramsey: Our cyborg future

Video

Nick Ramsey: Our cyborg future

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photographs

Mind

Memory special: What happens to memories over time?

Features

face

Mind

Memory special: Can you supercharge your memory?

Features

I Was Here sign

Mind

Memory special: Do we even know what memory is for?

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child asleep

Mind

Memory special: What happens to your memories while you sleep?

Features

two people

Mind

Memory special: How can two people recall an event so differently?

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man with playing cards

Mind

Memory special: Is your memory normal?

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blocked out face

Mind

Memory special: Can you choose what to forget?

If you want to forget an embarrassing encounter, you may just need to try. Forgetting isn't a passive process – so here's how to choose which memories you lose

Features

Health

Bone hormone released during exercise may lead to new memory-loss drug

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Mind

Your brain is like 100 billion mini-computers all working together

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Video

Henry Marsh: A life in brain surgery

Video

Humans

You can recognise around 5000 faces, from family to celebrities

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