- The Chinese used fingerprints as a method of identification as far back as AD 700.
- Before 1913 parents could mail their kids to Grandma's through the postal service.
- Your foot and your forearm are the same length.
- Ocean algae produces about 75 percent of the world's oxygen.
- A blue whale's heart beats just twice a minute when it dives.
- A third of Americans flush the toilet while they're still sitting on it.
- The letter W is the only letter in the alphabet that has 3 syllables (all others have 1).
- Switzerland eats the most chocolate equating to 10 kilos per person per year.
- Bali has the worlds largest variety of flora.
- The average human brain contains around 78% water.
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