- The revolving door was invented in 1888.
- Germany borders 9 other countries.
- Mangos are related to cashews and pistachios.
- Gentoo penguins propose to their life mates with a pebble.
- Flushable toilets were in use in ancient Rome.
- Women were not allowed to vote in France until 1944.
- What comes after a million, billion and trillion? A quadrillion, quintillion, sextillion, septillion, octillion, nonillion, decillion and undecillion.
- Mosquitoes dislike citronella because it irritates their feet.
- The average hen lays 228 eggs a year.
- Pearls melt in vinegar.
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