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People walking

Technology

Electrodes fitted behind your ear can make you walk faster

A type of electrical skull stimulation makes us step out faster with longer strides – a finding that could help people with balance disorders to walk more easily

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Our ancestors mated with the mystery 'Denisovan' people – twice

Humans

Our ancestors mated with the mystery 'Denisovan' people – twice

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These searing hot chilli peppers are in danger thanks to snakes

Earth

These searing hot chilli peppers are in danger thanks to snakes

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New shades: The controversial quest to 'fix' colour blindness

Humans

New shades: The controversial quest to 'fix' colour blindness

Features

broccoli farm

Life

Two herbivores gang up and silence a plant's cries for help

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Dinobird Archaeopteryx only flew in short bursts like a pheasant

Life

Dinobird Archaeopteryx only flew in short bursts like a pheasant

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Military personnel investigating the poisoning of Sergei Skripal on 11 March in Salisbury

Health

What are Novichok nerve agents and did Russia do it?

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A male and female brown widow (Latrodectus geometricus)

Life

Daft male spiders prefer females who are more likely to eat them

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Brain zap can make people re-experience old dreams while awake

Health

Brain zap can make people re-experience old dreams while awake

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Leopards that live in cities are protecting people from rabies

Life

Leopards that live in cities are protecting people from rabies

Wild leopards wander into the Indian city of Mumbai to prey on feral dogs – and in doing so they stop the dogs biting people and passing on the rabies virus

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Life

Mussel pain: The crisis engulfing our freshwater molluscs

Features

Earth

A deadly predator could save the UK’s threatened red squirrels

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Earth

Drones reveal huge colonies of 1.5 million penguins on islands

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Life

Fish called ‘sarcastic fringehead’ has a wider mouth than body

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