- The bullfrog is the only animal that never sleeps.
- The fastest fish in the sea is the swordfish and can reach up to speeds of 108kph (68mph, 59knots).
- Coffee trees produce its first full crop after 5 years old.
- Amathophobia is the fear of dust.
- Elevenses is a break for light refreshments taken at 11AM in England.
- Over 550 hot dogs are eaten every second in the United States.
- The most common mental illnesses are anxiety and depression.
- The average age of a polar bear in the wild is 17 years.
- The most commonly used word in English conversation is 'I'.
- Greek philosopher and mathematician Pythagoras lived around the year 500 BC and is known for his Pythagorean theorem relating to the three sides of a right angle triangle: a^2 + b^2 = c^2.
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