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Enter a monster wind tunnel used to test jet engines

Technology

Enter a monster wind tunnel used to test jet engines

Aircraft have to be able to cope with freezing conditions, so their engines are brought to this massive wind tunnel in Canada to be put through their paces

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Freak Canadian storm has nothing on Martian weather

Earth

Freak Canadian storm has nothing on Martian weather

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Life savers: A photo history of the artificial heart

Technology

Life savers: A photo history of the artificial heart

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Nose to beak with a Christian hero heavyweight champ

Life

Nose to beak with a Christian hero heavyweight champ

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Haiyan from space: See typhoon as it hit Philippines

Earth

Haiyan from space: See typhoon as it hit Philippines

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Chance of clouds: Gigantic cave has its own weather

Earth

Chance of clouds: Gigantic cave has its own weather

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Cuckoo bee feasts on the larvae of its cousins

Life

Cuckoo bee feasts on the larvae of its cousins

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The Photo Ark: We have to see them to save them

Life

The Photo Ark: We have to see them to save them

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Labyrinthine M. C. Escher stairs line vast Indian well

Earth

Labyrinthine M. C. Escher stairs line vast Indian well

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Fighting iguanas are real-life <i>Game of Thrones</i> dragons

Life

Fighting iguanas are real-life Game of Thrones dragons

They don't have wings or breathe fire, but these iguanas in Costa Rica are surely the closest thing we have to dragons

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Space

Historic shots of Io revealed a world on fire

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Earth

Deadly lake turns animals into statues

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Life

Grizzly cameraman snaps rare shots of swimming bears

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Life

Is this the most extraordinary human brain ever seen?

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