For Friday the 13th — Superstitions

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13 Common (But Silly) Superstitions

Stephanie Pappas, LiveScience Senior Writer
Date: 12 May 2011 Time: 06:29 PM ET
Cat in tree

We humans are a superstitious lot, believing that Friday the 13th is bad luck and finding a penny is good luck.

Many superstitions stem from the same human trait that causes us to believe in monsters and ghosts: When our brains can’t explain something, we make stuff up. In fact, a study last year found that superstitions can sometimes work, because believing in something can improve performance on a task.

Here, then, are 13 of the most common superstitions.

to read more go to:    http://www.livescience.com/14141-13-common-silly-superstitions.html