There’s a lizard whose mating behavior follows a Rock-Paper-Scissors evolutionary strategy. Males have 1 of 3 throat colors where orange beats blue, blue beats yellow, and yellow beats orange. For 4-5 years, one strategy dominates, after which the strategy that exploits its weakness takes over
“Rock, Paper, Scissors is a two-person hand game. It is often used as a selection method in a similar way to coin flipping, Odd or Even, throwing dice or drawing straws to randomly select a person for some purpose. Though, unlike truly random selections it can be played with skill if the game extends over many sessions, because one can often recognize and exploit the non-random behaviour of an opponent. It is reported by statisticians that most females and teenagers start with Scissors, while males and adults usually start with rock. [How to reference and link to summary or text]
It is also known by many other names such as:Janken (Japan), Jiandao Shítou Bu (China), Rochambeau, Paper Scissors Stone (UK), Steen, Papier, Schaar (Netherlands),Scissors, Paper, Rock (Australia), Paper Scissors Rock (NZ), Ching Chong Cha (South Africa), Chi Ku Ba (Tamil – India), Even Niyar Umisparayim (Israel), Schnick, Schnack, Schnuck (Germany), Schere, Stein, Papier (Swiss German), Morra Cinese (Italy), Piedra, Papel o Tijeras (Latin America), Kamień, papier, nożyczki (Polish), Pedra, Papel, Tesoura (Portugal), Chin chan pu (Mexico), Ca Chi Pun (Chile), Bao Sing Soum (Cambodia), Sten, sax, påse (Sweden), Pierre, Papier/Feuille, Ciseaux or chifoumi (French), Roche, Papier, Ciseaux (Quebec), Petra, Psalidi, Charti (Greece) and Kgauwi-bauwi-bo (Korea), Kivi, Paperi, Sakset (Finnish), Pao, Ying, Choop (Thai), Jack en Poy (Philippines), Камень, ножницы, бумага (Russia), Kameň, Papier, Nožnice (Slovak), Kő, papír, olló (Hungarian), Bercus (Brunei), Scissors, Paper, Stone (Singapore).
Various sports may use Rock, Paper, Scissors to determine which team gets the opening play (rather than a coin toss). Similarly, uncertain calls, or even the whole game in case of rain, may be decided by the game. It is also often used as a method for creating appropriately non-biased random results in live action role-playing games, as it requires no equipment. It is also used in some gambling sites as a novelty betting. ”