- A deck of cards should be shuffled at least 7 times before playing.
- A spider's silk is stronger than steel.
- At one time, serving ice cream on cherry pie in Kansas was prohibited.
- Fleas can accelerate 50 times faster than a space shuttle.
- The most common mental illnesses are anxiety and depression.
- 45,000 thunderstorms around the world occur every day.
- 1 square inch of human skin contains 625 sweat glands.
- The surface area of your lungs is roughly the same size as a tennis court.
- Every living thing on the Earth contains carbon.
- An average person will spend 25 years asleep.
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