Your Brain on Porn

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-ofCWJiUgSEGMENT 1 CITATIONS:http://www.space.com/15370-nasa-private-spaceflight-astronaut-taxis-progress.htmlhttp://www.dailymail.co.uk/sciencetech/article-2130847/PayPal-founders-Dragon-private-spacecraft-dock-Space-Station.html?ito=feeds-newsxmlhttp://www.nasa.gov/exploration/commercial/cargo/spacex_launchpreview.htmlhttp://www.wired.co.uk/news/archive/2012-04/18/spacex-given-green-lightImages:http://www.nasa.gov/images/content/504361main_image_1819_946-710.jpghttp://www.spacex.com/gallery-images/falcon9-night-2-l.jpghttp://www.whitehouse.gov/sites/default/files/imagecache/embedded_img_full/image/image_file/P041510CK-0141.jpgSEGMENT 1 IMAGES:http://www.spacex.com/gallery-images/falcon9-night-2-l.jpg (credit SpaceX/Roger Gilbertson)http://www.nasa.gov/multimedia/imagegallery/image_feature_1819.html [public domain]SEGMENT 2 CITATIONS:http://www.eurekalert.org/pub_releases/2012-04/asu-scm041812.phphttp://www.sciencemag.org/content/336/6079/341.abstractSEGMENT 3 CITATIONS:porn:http://medicalxpress.com/news/2012-04-visual-cortex-women-quiets-viewing.htmlhttp://onlinelibrary.wiley.com/doi/10.1111/j.1743-6109.2012.02706.x/abstractgod spot:http://www.eurekalert.org/pub_releases/2012-04/uom-ds041812.phpSEGMENT 3 IMAGES: [PUBLIC DOMAIN]http://neuron.nimh.nih.gov/leopold/images/v1-3d.gifhttp://en.wikipedia.org/wiki/File:Lobes_of_the_brain_NL.svg