- Tennis was originally played with bare hands.
- Fish can cough.
- The word 'lethologica' describes the state of not being able to remember the word you want.
- A newborn kangaroo is about 1 inch in tall.
- Humans are the only primates that don't have pigment in the palms of their hands.
- The average pool cue is 1.4m (4.75ft) long.
- It is believed that Ancient Egyptians used complex mathematics such as algebra, arithmetic and geometry as far back as 3000 BC, such as equations to approximate the area of circles.
- Coffee is grown commercially in over 45 countries around the world.
- The Eiffel Tower is repainted every 7 years.
- Asparagus can grow up to 7 inches in a day.
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