This is one of my all-time favourite fun facts. First learned about it in Tell Me Something I Don't Know: http://freakonomics.com/podcast/tell-me-something-i-do

This is one of my all-time favourite fun facts. First learned about it in Tell Me Something I Don't Know: http://freakonomics.com/podcast/tell-me-something-i-dont-know-a-new-freakonomics-radio-podcast-2/ http://freakonomics.com/podcast/tell-me-something-i-dont-kno...