- A 15th anniversary is called a quindecennial.
- Red blood cells are produced in bone marrow.
- $30 of raw popcorn translates into $3,000 in sales at movie theaters.
- Camels can drink 94 litres (25 gallons) of water in less than 3 minutes.
- The Eiffel Tower is over 300m (984 ft) tall.
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