Six Degrees starts off this episode with a marijuana article--we had to; it's 4/20!--but the episode also includes plenty of standby favorites, like crazy animal stunts, nanotechnology, and Pope Francis.
http://www.oregonlive.com/marijuana/index.ssf/2016/04/rescheduling_marijuana_what_th.html
http://www.sciencealert.com/samsung-just-patented-smart-contact-lenses-with-a-built-in-camera