- Mapping is older than writing.
- 45% of Americans don't know that the sun is a star.
- It takes 5 years for an oyster to produce a medium sized pearl.
- Babylonians measured the circumference of a circle as approximately 3 times the diameter, which is fairly close to today's measurement which uses the value of Pi (around 3.14)..
- Gatophobia is the fear of cats.
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