Big Mac survives molten copper and heats up Internet, Crave Ep. 233

Click here for the Crave show links - http://cnet.co/1XBO7vW This week on Crave, tweeting pigeons help determine whether London air is polluted, a Mixed Martial Arts fighter weighs in while cosplaying Street Fighter, and why does this Big Mac seem invincible? It's the Crave show.