This episode: Our brains process images, the devastation of not being Nostalgia Tours’ ten billionth customers, Aym and Rosie propose a triad marriage on the astral plane, a Gender Dinosaur stomps on your expectations, we have a lovely singalong, and Rosie does a quick Welsh lesson. As ever, please subscribe, rate, tell your friends about us, tweet at us @PolarityPod or check us out on Tumblr at polaritypod.tumblr.com