If you're superstitious, this video might leave you feeling a little silly.
YouTube channel Mental Floss gets to the bottom of common superstitions, such as crossing a black cat (witches), opening an umbrella inside (sun gods) and telling an actor to break a leg (the original phrase was much more troubling).
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Even if you're not curious about why walking under a ladder is considered bad luck, you may be interested to discover that Hilary Duff, Dick Van Dyke and Elijah Wood all pop up in the video. Check it out in full, above.
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