There are 311,875,200 five-card hands possible in a 52-card deck of cards.

If you flip a coin ten times in a row, the odds are 1024 to 1 against getting all heads.

A 'singularity' is a mathematical concept that can be visualised as a warped region of spacetime where quantities may become infinite so that ordinary physical laws cease to apply. The Big Bang is thought to have originated from such a singularity.