- 59% of people say that they're average looking.
- Employees of the Vatican pay no income tax.
- The most common disease is tooth decay.
- Curly hair follicles are oval, while straight hair follicles are round.
- House cats have 18 claws.
- Most spiders have transparent blood.
- Goats have rectangular pupils in their eyes.
- It is impossible to sneeze while you are sleeping.
- Water can boil and freeze at the same time.
- A shark's teeth are literally as hard as steel.
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