When you flip a coin to make a decision, there's an equal chance of getting heads and tails. What if you flipped two coins repeatedly, so that one option would win as soon as two heads showed up in a ...

Awareness of my proclivity for mathematical formulas and years spent as a child learning to game the system with countless how-to magic guides makes me wonder if I'm the only one who will find this ...

Welcome to The Riddler. Every week, I offer up problems related to the things we hold dear around here: math, logic and probability. Two puzzles are presented each week: the Riddler Express for those ...

The New England Patriots have recently been very lucky. NPR's Kelly McEvers and Robert Siegel explain the probability of the football team winning the last 19 out of 25 coin tosses. It's not like we ...