- Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
- DFW Airport in Texas is larger than the island of Manhattan.
- Elvis Presley made only 1 television commercial.
- Sir Isaac Newton was 23 when he discovered the law of gravity.
- The average koala sleeps 22 hours each day.
- DNA stands for Deoxyribonucleicacid.
- When water freezes it expans by 9%.
- Lion's can't roar until the age of 2.
- Most cows produce more milk when they listen to music.
- Kangaroos cannot jump without their tails touching the ground.
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