- A humming bird flaps its wings up to 90 times a second (5,400 times a minute).
- All of the cobble stones used to line the streets in New York were originally stones found in the hulls of Belgian ships ballast.
- A whip makes a cracking sound because its tip moves faster than the speed of sound.
- Your tongue is the fastest healing part of your body.
- In 1642 French mathematician Blaise Pascal invented the mechanical calculator..
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