- A cat can keep purring while inhaling and exhaling.
- Unless food is mixed with saliva you can't taste it.
- Tiger Woods' real first name is Eldrick.
- Mapping is older than writing.
- DFW Airport in Texas is larger than the island of Manhattan.
- The number Pi (the ratio of the circumference to the diameter of a circle) can't be expressed as a fraction, making it an irrational number. It never repeats and never ends when written as a decimal.
- 2 out of 5 people marry their first love.
- The first flight traveled at less than 7 mph (ground speed).
- Air's alchemy symbol is a triangle with a horizontal bar.
- The Pacific Ocean is the world's largest.
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