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- Why NASA should abandon a manned mission to Mars
- How mobile phones will pioneer future space technology
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- Woo hoo! First pictures from the new set of Arrested Development
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- Why the Sikh temple shooting got less coverage than the Aurora massacre
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- The Moral Significance of Sex Workers and People With Disabilities
- From Damn Interesting: Better Call Sol
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- How Big Is Infinity? An Animated Explanation from TED
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- The Science of “Breaking the Seal”
- 25 Behind-the-Scenes TV Photos That Will Mess With Your Mind
- Website: http://www.ilooklikebarackobama.com/
- Video: Animals Acting Like Sharks Week
Finally, a recording still for the ages: In 1996, just months before he died, Carl Sagan recorded this message to future colonists living on Mars.