The Science of Coincidence

We often hear people say, It is a small world, isn't it?

Like running into a neighbor while on holiday in a different country. Some think it

is a mysterious hidden plan, but science has a simpler explanation. Take the birthday

paradox. With just twenty-three people in a room... there is a

fifty percent chance two of them share a birthday! With forty-eight people, that probability jumps

to ninety-five percent. We connect with over ten thousand people in a lifetime.

Especially online. In such a complex world, the real surprise is that coincidences

do not happen more often!