- Ostriches have a powerful immune system.
- Scissors were most likely invented ancient Egypt.
- The most common disease is tooth decay.
- 60 cows can produce a ton of milk each day.
- Each red blood cell lives an average of 4 months and travels between the lungs and other tissue 75,000 times before returning to bone marrow to die.
- Flys always launch backwards for a quick getaway.
- Owls can't move their eyes from side to side.
- Minus 40C is exactly the same temperature as minus 40F.
- No word in the English language rhymes with month.
- There are more trees on Earth than stars in the Milky Way galaxy.
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