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Are We Alone?

Stephen Hawking sets three volunteers a series of fun challenges to show them how to think like a genius – and find out how likely it is that aliens exist.

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Where Are We?

Can three volunteers measure the solar system and universe to find out where we are?

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What Are We?

Three volunteers set out to find an amazing realization about the nature of life itself.

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Where Did the Universe Come From?

The group experiments with cars and balloons to understand the origin of the universe.

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