WHEN Denmark was overrun by the Germans various British subjects were caught, Mr. among them. He was interned in a camp under Danish control and spent part of his enforced leisure in coin-tossing ...

In A Philosophical Essay on Probabilities, published in 1814, Pierre-Simon Laplace introduced a notorious hypothetical creature: a “vast intelligence” that knew the complete physical state of the ...

The mathematician Daniel Litt has driven social media users to distraction with a series of simple-seeming but counterintuitive probability puzzles. In late January, Daniel Litt posed an innocent ...