- The oldest cockroach fossils are over 280 million years old.
- A ten-gallon hat holds less than a gallon of liquid.
- A bear has 42 teeth.
- After you've eaten it takes approximately 12 hours for food to entirely digest.
- A full moon is nine times brighter than a half moon.
- Hippopotamuses have skin 3.8cm (1.5in) thick.
- African elephants only have 4 teeth.
- Women blink twice as much as men.
- The dollar was established as the official currency of the US in 1785.
- The first city to mint its own gold coins was Florence, Italy in 1252.
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