- Brazil got its name from the Brazilian nut (not the other way around).
- A hard boiled eggs spin (uncooked or soft boiled don't).
- Crocodiles swallow rocks to help them dive deeper.
- Tiger shark embryos begin attacking each other in their mother's womb before they are even born.
- A woodpecker can peck 20 times a second.
- Wine is sold in tinted bottles because it spoils when exposed to light.
- Dogs can make about 10 sounds, while cats make about 100.
- A rat can tread water for 3 days.
- Some fish cough. Really.
- Mountain lions can whistle.
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