- The average elephant produces 22kg (50 pounds) of dunn each day.
- No number from one to 999 includes the letter "a" in its word form.
- All of the cobble stones used to line the streets in New York were originally stones found in the hulls of Belgian ships ballast.
- The revolving door was invented in 1888.
- The diameter of Earth is 12,756 km (7,926 miles).
- The most commonly forgotten item for travelers is their toothbrush.
- Volleyball was invented in 1895.
- Not a single number has the letter "b" in it until you reach a billion.
- Pop corn was invented by the Aztec Indians.
- More than 75% of all countries are north of the equator.
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