Hank talks about space shuttle Discovery's retirement, a private space "taxi cab" service, a breakthrough with man-made DNA, and the similarities between religion and pornography in your brain.Like SciShow on Facebook: http://www.facebook.com/scishowFollow SciShow on Twitter: http://www.twitter.com/scishowMore on Synthetic Biology: http://www.youtube.com/watch?v=k7-ofC…References for this episode can be found in the Google document here: http://dft.ba/-2yXsspace shuttle, NASA, discovery, spaceX, ISS, elon musk, synthetic biology, xenonucleic acids, XNA, polymerase, evolution, evolve, religion, porn, pornography, journal of sexual medicine, brain, sexual arousal, anxiety, sex, religion, spirituality, god spot, parietal lobe
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