- The US produces 19% of the world's trash.
- You can't trademark surnames.
- Not a single number has the letter "b" in it until you reach a billion.
- The symbols used for addition (+) and subtraction (-) have been around for thousands of years but it wasn't until the 16th century that most mathematical symbols were invented. Before this time math equations were written in words, making it very time consuming.
- A bolt of lightning can reach roughly 50,000 degrees Fahrenheit.
- The oldest exposed surface on Earth is New Zealand's south island.
- The average cat can jump 5 times as high as its tail is long.
- The smallest country in the world takes up .2 square miles: Vatican City.
- The Eifel Tower has 2,500,000 rivets.
- The coins thrown into the Trevi fountain in Italy are collected for charity.
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