but the site I pulled up went all scientific on me!!!

"From the evidence you might claim that in fact there had been a snowman in the field, with coal eyes and a carrot nose. The snowman had melted and this was all that was left. Your evidence supports the 'snowman hypothesis', a hypothesis being a posh Greek word for a suggested explanation. Now suppose someone else comes along, they look at the evidence and they come up with the 'two vans hypothesis' that it was caused by a coal truck passing the field and loosing two bits of coal, then a vegetable truck passing by and dropping a carrot. Which hypothesis is correct? "

Scientists are no fun !