Discovery Channel

Stephen Hawking's Grand Design: Laws of Nature

The laws of nature are unchangeable and universal meaning the same laws apply to a tennis ball or a planet.

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Stacks of Sean Conway's book, Hell and High Water - (DCL)

Win a signed copy of Hell and High Water by Sean Conway

Win a signed copy of Hell and High Water by Sean Conway

Bear - (DCL)

Smithsonian.com Photo Competition

Smithsonian.com has announced the finalists of their 12th Annual Ph...

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