- Only pregnant females polar bears hibernate.
- The surface area of your lungs is roughly the same size as a tennis court.
- Porsche also builds tractors.
- Rio de Janeiro translates to river of January.
- U.S. paper currency isn't made of paper u2013 it's actually a blend of cotton and linen.
- Ants can lift 50 times their own weight.
- The first metered taxi was introduced in 1907.
- At the deepest point in the ocean, the water pressure is equivalent to having about 50 jumbo jets piled on top of you.
- If you doubled one penny every day for 30 days, you would have $5,368,709.12.
- Baby bunnies are called kittens.
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