- The only continent without reptiles or snakes is Antarctica.
- There are 21.
- Humans can encourage precipitation with cloud seeding.
- The Amazon rainforest produces half the world's oxygen supply.
- The national anthems of Japan, Jordan, and San Marino each have only 4 lines.
- Australia has 10,685 beaches; you could visit a new beach every day for more than 29 years.
- The average human brain contains around 78% water.
- Reindeer hair is hollow inside like a tube.
- A housefly hums in the key of F.
- There are 22 stars in the Paramount studios logo.
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