- Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
- 1 googol is the number 1 followed by 100 zeros.
- Pinocchio is Italian for 'pine head'.
- The word racecar can be spelled the same way backwards.
- The Cambodian alphabet has 74 letters.
- Ocean algae produces about 75 percent of the world's oxygen.
- Sound travels 4.3 times faster through water than in air.
- Blueberries are one of the only natural foods that are truly blue in color.
- A Galapagos tortoise can take up to three weeks to digest a meal.
- Cars were first started with ignition keys in 1949.
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