- The Moons diameter is 3,476km.
- Swiss mathematician Leonhard Euler was probably the most influential mathematician of the 18th century, making discoveries in graph theory and introducing many modern mathematical words and notations among other things.
- Cows don't have upper front teeth.
- A full moon is nine times brighter than a half moon.
- Spain's largest source of income is from tourism.
- A third of Americans flush the toilet while they're still sitting on it.
- Hippopotamuses are born under water.
- The largest exporter of sugar is Cuba.
- After you've eaten it takes approximately 12 hours for food to entirely digest.
- The study of insects is called entomology.
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