- The original design of Monopoly was circular.
- The average cow produces 40 glasses of milk a day.
- Dogs can make about 10 sounds, while cats make about 100.
- The Earth weighs 6,588,000,000,000,000,000 tons.
- The familiar smell of rain is called petrichor.
- Miami installed the first ATM for inline skaters.
- The doorbell was invented in 1831.
- The word 'karate' means 'empty hand'.
- Gunpowder is formed by mixing charcoal, saltpetre and sulphur.
- The aphid insect is born pregnant.
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