Following is a transcript of the video. Narrator: Have you ever knocked on wood for good luck? This superstition stems from an old Pagan belief that spirits live in trees, and if you knocked on ...

Superstitions are those quirks of human behavior – the knocking on wood, the lucky charms, the avoidance of black cats on Friday the 13th. But while some superstitions are common across cultures ...

This is why superstition so often plays a role: Knock on wood. Don’t open that umbrella indoors. Fear the black cat. It’s senseless, but the instinct to believe is in us all. A whole canon of ...

What is superstition? Created with Sketch ... In the U.S., people knock on wood, cross fingers, avoid crossing the path of black cats, walk under ladders, among other habits.