- The elevator was invented in 1850.
- Antarctica is 98% ice and 2% barren rock.
- In zero gravity, a candle's flame may appear circular and blue.
- Pandas spend 12 hours a day eating bamboo.
- Caterpillars have over 2,000 muscles.
- The first train reached a top speed of only 8 kmh (5 mph).
- The oldest word in the English language is 'town'.
- Mapping is older than writing.
- Yawns are contagious to dogs as well as humans.
- A platypus can eat its weight in worms every day.
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