Add Yahoo as a preferred source to see more of our stories on Google. Step on a crack, break your mother’s back. Don’t walk under a ladder. Terrible things happen on Friday the 13th (besides ...

Being someone that can barely do basic math I have always been fascinated and frustrated by numbers. I got into a discussion with someone in irc about lucky/unlucky numbers and ended up going to ...

Why is Friday the 13th considered unlucky, anyway? Humans have long used superstitions as a way of explaining everyday phenomena or to help bring them luck or avoid misfortune. And while we’ve grown ...

The superstition that Friday the 13th is an unlucky day has been around for the past 100 years. But it doesn't have the ancient origins that many might expect. It's hard to pinpoint exactly why Friday ...