We tend to be superstitious, believe in myths and urban legends. Maybe there is some truth about them. But what if our skill to perceive reality is influenced by the need to survive? Can our brain´s two basic survival skills create tricky situations and make us believe things that are not necessary true?Michael Shermer in his 2006 TED speech showed the strange things people perceive as mysteries. This video features his 2010 TED speech where he explained WHY we tend to believe weird things.
You can also watch this video on TED page. It is especially useful if you need to see the transcript of his speech or get the translation of it to your language.