Each of us has played this game at least once: rock, paper, scissors. All you need is at least 2 people and their hands. No special equipment, strength or complicated rules - as easy as that! But it seems impossible to win every time, doesn't it? Is this game all about chance or a mixture of probability, statistics and psychology? Scientists reveal the 100% winning strategy for rock, paper, scissors. There are four possible scenarios: a tie, rock crushes scissors, paper covers rock, and scissors cut paper. According to research, most people prefer to begin the game by playing one of those signs. What is it? Let's find out.

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