[skylark]

There's a website where the author correlates random datasets against each other and displays the ones with really high R values.

http://www.tylervigen.com/spurious-correlations

With today's headline driven media, it's especially important to guard yourself against correlational relationships being implied as causative. It's not about saying whether something is true or false, it's about being skeptical and using the correlation as a starting point for further investigation.