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Life

Weird microbial partnership shows how complex life may have evolved

Connecting tubes between bacteria and a kind of microbe called archaea may reflect a symbiotic relationship that led to complex cells more than 2 billion years ago

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Humans

Fossil teeth may come from a new species of early hominin

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Humans

Why a mysterious group of ancient humans doesn’t have a species name

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Health

The real reason why we lost the ability to make vitamin C

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Humans

Your pet dog’s ancestor was a fierce, wild animal. How was it tamed?

Features

Giant meat-eating dinosaur skulls reveal ‘bone-crushing’ bite

Life

Giant meat-eating dinosaur skulls reveal ‘bone-crushing’ bite

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Team of EMS Paramedics React Quick to Provide Medical Help to Injured Patient and Get Him in Ambulance on a Stretcher. Emergency Care Assistants Arrived on the Scene of a Traffic Accident on a Street.

Health

Let a breakthrough in measuring body clocks ease the ills of shiftwork

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Creepy blank gravestone in graveyard at night with low spooky fog; Shutterstock ID 1890736525; purchase_order: -; job: -; client: -; other: -

Humans

Homo naledi's burial practices could change what it means to be human

Leader

Atmospheric graveyard

Humans

What were ancient humans thinking when they began to bury their dead?

Features

Humans

Evolution has made humans both Machiavellian and born socialists

Humanity’s innate treachery is behind social ills ranging from inequality to abuse of power. Lessons from our ancestors can help defeat the enemy within

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Life

Oldest proteins yet recovered from 18-million-year-old teeth

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Humans

70,000 years ago humans underwent a major shift – that’s why we exist

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Humans

'Hybrid' skull may have been a child of Neanderthal and Homo sapiens

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Humans

A Neanderthal-shaped skull may explain why some people get headaches

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