Mr. Smarty Pants Knows

The goliath tigerfish is the only fish in Africa unafraid of crocodiles. In fact, it eats them.

Potato yogurt is being made in North Korea. According to the official July 2010 press release, it is good for the prevention and treatment of diarrhea and indigestion.

Leathermakers in Victorian England used a substance called "pure," found in the streets, to tan the hides, and they paid people to collect the pure. "Pure" was dog turds.

Lyndon B. Johnson spent more than 20% (484 days) of his time as president at the "Texas White House" as he called it.

Two hundred sixty-seven people are born every minute, but only 108 die.