-Sheldon Cooper, The Big Bang Theory "Scissors cuts paper. Paper covers rock. Rock crushes lizard. Lizard poisons Spock. Spock smashes scissors. Scissors decapitates lizard. Lizard eats paper. Paper ...

Sheldon: It’s very simple. Scissors cuts paper, paper covers rock, rock crushes lizard, lizard poisons Spock, Spock smashes scissors, scissors decapitates lizard, lizard eats paper, paper disproves ...

You probably already know how to play rock-paper-scissors. Perhaps you’ve even participated in the world championships. But do you know about the lizards that live this game? Side-blotched lizards ...