Your Brain on Porn

Hank talks about space shuttle Discovery s retirement, a private space taxi cab service, a breakthrough with manmade DNA, and the similarities between religion and pornography in your brain. Like SciShow on Facebook: Follow SciShow on Twitter: More on Synthetic Biology: SEGMENT 1 CITATIONS: Images: SEGMENT 1 IMAGES: (credit SpaceX, Roger Gilbertson) public domain SEGMENT 2 CITATIONS: SEGMENT 3 CITATIONS: porn: god spot: SEGMENT 3 IMAGES: PUBLIC DOMAIN