Mr. Smarty Pants Knows

Galileo invented a pocket comb that doubled as a utensil.

There are more World of Warcraft players in the U.S. than farmers.

Skiffle music, related to jug-band music, was briefly popular in the U.S. in the early 1900s but became very popular in Britain's 1950s "skiffle craze." In the 1984 mockumentary This Is Spinal Tap, the fictitious rock group Spinal Tap started in skiffle, performing as the Lovely Lads.

It is estimated that 1.5 exabytes (1,610,612,736 gigabytes) of new information was generated worldwide this year – more information than the world generated in the previous 5,000 years.

The Department of Transportation estimated in 2004 that if we converted merely one-third of America's passenger cars and light trucks to diesel, we'd reduce our oil consumption by up to 1.4 million barrels of oil per day – precisely the amount we import from Saudi Arabia.