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Are There Universal Ethics of 3D Printing?

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Scientists Listening For Alien Radio Waves (VIDEO)

Larry King NowApr 10 '15

The Kepler spacecraft has found over 1,000 new exoplanets - but does anyone or anything live there? SETI’s Dr. Seth Shostak theorizes on what we might learn from alien planets - even if we’re just eavesdropping.

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