Don't forget about the dog that decided to become cancer: http://phenomena.nationalgeographic.com/2016/05/18/contagious-dog-cancer-batteries/ http://phenomena.n

Don't forget about the dog that decided to become cancer: http://phenomena.nationalgeographic.com/2016/05/18/contagious-dog-cancer-batteries/ http://phenomena.nationalgeographic.com/2016/05/18/contagiou...