- The most commonly used letter in the alphabet is E.
- Oxygen supply influences the color of a fire's flame.
- Sharks lose teeth a lot when they eat. Some sharks will replace as many as 25,000 teeth in a lifetime.
- Catoptrophobia is the fear of mirrors.
- Your most active muscles are in your eye.
- Baboons were once trained by Egyptians to wait on tables.
- The first sailing boats were built in Egypt.
- The Great Wall of China is approximately 6,430 Km long (3,995 miles).
- Onions are part of the lily family.
- A cat has 32 muscles in each ear.
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