- Your normal body temperature is 37C (99F).
- There is no proof as to who built the Taj Mahal.
- Spain's largest source of income is from tourism.
- 10% of with world's food supply is consumed by insects.
- 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)..
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