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human evolution

sloth

Life

Busy doing nothing: How sloths mastered life in the slow lane

Once defamed as slow and stupid, sloths are now recognised as masterworks of evolution – and we could all learn from their energy-saving tricks

Features

Great tits avoid bad food after seeing grossed-out friends

Life

Great tits avoid bad food after seeing grossed-out friends

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This is the oldest fossil of a plesiosaur from the dinosaur era

Life

This is the oldest fossil of a plesiosaur from the dinosaur era

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football hooligans

Humans

Effortless thinking: Adapting our need to feel part of the gang

Features

cross in ice

Humans

Effortless thinking: The god-shaped hole in your brain

Features

stereotypes

Humans

Effortless thinking: Why stereotyping is an evolutionary trap

Features

Trump supporters

Humans

Effortless thinking: Why we're all born to be status quo fans

Features

Robot's terrible jokes are a new test of machine intelligence

Technology

Robot's terrible jokes are a new test of machine intelligence

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Lizards re-evolved eggs after thousands of years of live births

Life

Lizards re-evolved eggs after thousands of years of live births

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Why do female monkeys spend so long looking at rugged males?

Life

Why do female monkeys spend so long looking at rugged males?

Female monkeys spend more time staring at males that have highly masculine facial features, but we don’t know if they fancy them or fear them

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Life

Hummingbirds have massive hearts to power their hovering flight

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Life

Baby pterosaurs were cute, defenceless and unable to fly

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Space

Weird tiny galaxies found hiding in Hubble’s Ultra Deep Field

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Humans

Huge dose of brain chemical dopamine may have made us smart

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