- The first sport to be filmed was boxing in 1894.
- Along with arithmetic, geometry was one of the two fields of pre-modern mathematics.
- Dirty snow melts quicker than clean snow.
- Household dust is made of dead skin cells.
- Your brain uses 10 watts of energy to think and does not feel pain.
- Heavier, not bigger, lemons produce more juice.
- You use 72 different muscles while speaking.
- Hens do not need a rooster to lay an egg.
- A group of foxes is called a skulk.
- Some tumors can grow hair, teeth, bones, even fingernails.
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