@cnet tweets related to: Stephen Hawking, Poll, Earth, Colonize, Space

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All-around smart guy Stephen Hawking is pushing for humanity to hurry up and figure out ways to colonize in space in case we ruin the planet we already have. (Credit: Zero Gravity) Stephen Hawking's mind is reaching out into the far depths of space as he contemplates the survival of humanity over the very long term.
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Friday Poll: Is Stephen Hawking right about the Earth being doomed and us needing to colonize space? http://t.co/Ronial1rOD

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