- Most spiders have transparent blood.
- In 1878 the first telephone book made contained only 50 names.
- 99% of our solar system's mass is the sun.
- Elephants communicate in sound waves below the frequency that humans can hear.
- A jellyfish is 95% water.
- A ball of glass will bounce higher than a ball of rubber of the same size.
- Fish can cough.
- The average person spends two weeks of their life waiting at traffic lights.
- All pilots on international flights identify themselves in English regardless of their country of origin.
- The dollar values on the board game Monopoly have been the same since 1935.
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