All posts filed under: Mathematics

How to rock paper and scissors

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Anthropology / Mathematics / Myths / Psychology

We’ve all used rock-paper-scissors to resolve a dispute. Is there a foolproof winning strategy? The earwig and the elephant When all else fails, rock-paper-scissors (also known as RPS) is an excellent way to make a decision. The rules are simple. At an agreed moment – usually after two or three ‘primes’ to get in sync, two people each make a symbol with their hand. The symbols are rock (closed fist), paper (flat hand) and scissors […]

Jet lagged? There’s an app for that

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Health / Mathematics

You’ve just flown halfway across the globe and the clock tells you it’s morning but your body tells you it’s bedtime. You’re tired and dazed. You can’t think straight and it take days to start feeling normal again. Jet lag. Is it just an annoyance, or something more serious? And among the many touted remedies, could a new smartphone app be the answer?