View full lesson: http://ed.ted.com/lessons/where-do-superstitions-come-from-stuart-vyse

Are you afraid of black cats? Would you open an umbrella indoors? How do you feel about the number 13? Whether or not you believe in them, you’re probably familiar with a few of these superstitions. But where did they come from? Stuart Vyse shares the weird and specific origins of some of our favorite superstitions.

Lesson by Stuart Vyse, animation by TED-Ed.