- Wooly mammoths grew as tall as 14 feet, weighing 10 tons. Mammoths used tusks for protection and to attract mates.
- Thin skinned lemons are the juiciest.
- Crocodiles swallow rocks to help them dive deeper.
- The wristwatch was invented in 1904.
- Diamonds are the hardest natural substance.
- Tigers have striped skin, not just striped fur.
- Brazil covers 50% of the South American continent.
- The world's smallest mammal is the bumblebee bat of Thailand.
- Walruses are true party animals; they can go without sleep for 84 hours.
- 45% of people use mouthwash everyday.
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