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Biosphere 2

Life

What happens when you seal eight people in a giant bubble?

From oxygen shortages to divisive factions, Mark Nelson recalls the challenges of two years in the Biosphere 2 ecosystem – and the media circus it spawned

Features

Tiny mitochondria may be controlling genes in heart of our cells

Tiny mitochondria may be controlling genes in heart of our cells

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A pack of cyclists pass bare trees in the Belgian countryside

Environment

Cycling race footage highlights climate change effects on trees

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Jeanne Calment

Humans

How old could humans get? We probably haven't hit the limit yet

Comment

Four ways dolphins are amazing – and one way they’re not

Life

Four ways dolphins are amazing – and one way they’re not

Features

leaping dolphin

Life

Inside the secret military programme that uses dolphins as weapons

Features

First evidence that gut bacteria help wire young brains

Health

First evidence that gut bacteria help wire young brains

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Cocaine in the water makes eels hyperactive and damages muscles

Earth

Cocaine in the water makes eels hyperactive and damages muscles

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consciousness artwork

Life

Consciousness: How we’re solving a mystery bigger than our minds

Features

Male peacocks can make females' heads vibrate at a distance

Life

Male peacocks can make females' heads vibrate at a distance

Peahens have fan-shaped crests on their heads, and it seems males can make these crests resonate by making a specific noise with their tails

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Life

The first Americans had pet dogs 1000 years earlier than thought

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Life

Bacteria may survive temperatures hot enough to melt lead

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Life

Spiders can ‘fly’ because they make near-invisible paragliders

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Earth

Wild animals are turning nocturnal to keep away from humans

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