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...
========== Are you afraid of black cats? Would you open an umbrella indoors? And how do you feel about
the number thirteen? Whether or not you believe in them, you're probably familiar with a few
of these superstitions. So how did it happen that people
all over the world knock on wood, or avoid stepping on sidewalk cracks? Well, although they have no basis
in science, many of these weirdly specific beliefs
and practices do have equally weird
and specific origins. Because they involve supernatural causes, it's no surprise that many superstitions
are based in religion. For example. the number thirteen was
associated with the biblical Last Supper, where Jesus Christ dined
with his twelve disciples just before being arrested and crucified. The resulting idea...