- Heavy raindrops are shaped like hamburger buns.
- Curly hair follicles are oval, while straight hair follicles are round.
- The Fibonacci sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, ....
- In South Korea, a baby is considered 1 year old at birth.
- The fastest fish in the sea is the swordfish and can reach up to speeds of 108kph (68mph, 59knots).
- The side of a hammer is called a cheek.
- The surface of Mars is covered in rust, making the planet appear red.
- The average shower temperature is 38C (101F).
- Elephants can smell water from miles away.
- Recycling one glass jar saves enough energy to watch TV for 3 hours.
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