- Large rain drops can fall at speeds of 20 mph.
- The compass and straight edge were powerful tools in the advancement of geometry, allowing the construction of various lengths, angles and geometric shapes.
- The number 2 is the only number greater than zero that when added to or multiplied by itself gives you the same result (4).
- A duck can't walk without bobbing its head.
- 'Babe' was played by over 50 pigs.
- U.S. paper currency isn't made of paper u2013 it's actually a blend of cotton and linen.
- Greeks constructed aesthetically pleasing buildings and artworks based on the golden ratio of approximately 1.618.
- Reindeer hair is hollow inside like a tube.
- Whales have the slowest metabolism of all animals.
- Hippopotamuses have killed more people in Africa than any other animal.
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