- 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.
- Flamingoes can live up to 80 years old.
- 72% of people eavesdrop.
- The color of a chicken's earlobe is a good indicator of the color of the eggshell it will lay.
- There are no rivers in Saudi Arabia.
- Antarctica is home to the largest desert in the world.
- Gunpowder is formed by mixing charcoal, saltpetre and sulphur.
- There are over 600 windows on the Empire State Building.
- The original name of Bank of America was Bank of Italy.
- The center of the Sun is approximately 15 million C (27 million F).
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