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Chemistry

The mystery of highly reactive oxygen has finally been solved

Singlet oxygen can be damaging in both cells and batteries but it has taken almost 60 years to work out exactly when it shows up in chemical reactions within both

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FG10H1 JUPITER: EUROPA, 1979. /nJupiter's moon, Europa. Photographed by Voyager 2, 1979.

Space

How excited should we be by signs of life spotted on alien worlds?

Features

Oxygen cylinders

Health

Pigs can breathe oxygen via their rectum, so humans probably can too

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Hypoxia - A climber in tent at very high altitude with oxygen breathing appartus.

Definition

Hypoxia

pondweed with oxygen bubbles

Environment

Why is Earth so rich in oxygen? The answer is simpler than we thought

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Oxygen may have helped complex life arise a billion years early

Life

Oxygen may have helped complex life arise a billion years early

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What we're doing now will make the ocean completely unliveable

Earth

What we're doing now will make the ocean completely unliveable

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At 200000 light years across, NGC 1365 is one of the largest known galaxies

Space

Spiralling galaxy arms spread oxygen around for future planets

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Rubisco

Life

Resurrected gene allows time travel to an Earth before oxygen

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Naked mole rat

Life

The incredible naked mole rat can survive with hardly any oxygen

These animal superheroes get on fine in conditions that would kill us and can go into a kind of suspended animation if oxygen levels drop too low

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Life

Breath of life: Did animals evolve without oxygen?

Features

Earth

Complex life may have had a false start 2.3 billion years ago

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Earth

Without oxygen from ancient moss you wouldn't be alive today

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Earth

Shooting stars show Earth had oxygen eons before we thought

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