The Monty Hall Problem
Why switching doors is always the right choice
Challenging
probabilityWhy switching doors is always the right choice
A hotel that's always full — but never has to turn anyone away
How a room of 23 strangers is probably hiding a secret
Where 3.14 comes from — hiding inside every circle
Why the number 1 shows up at the start far more than you'd expect
Every shuffle of a deck has almost certainly never happened before
A simple rule that shows up everywhere you look
What happens when an infinite bus pulls up — then infinitely many more
An ancient riddle that took 2,000 years to answer
The puzzle that invented a new branch of mathematics