- Elephants sleep between 4 - 5 hours in 24 period.
- The $ sign was introduced in 1788.
- Hummingbirds can't walk.
- Green tea has 50% more vitamin C than black tea.
- 72% of people eavesdrop.
- Goldfish can see both infrared and ultraviolet light.
- The tea bag was invented in 1908.
- The basic arithmetic operations used in mathematics are addition, subtraction, multiplication and division.
- New Zealands first hospital was opened in 1843.
- Blue whale tongues can weigh 8,000 pounds, or as much as an elephant, and their hearts weigh close to a ton.
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