- Here is Pi written to 100 decimal places: 3.1415926535897932384626433832795028841971693993751 058209749445923078164062862089986280348253421170679.
- Ornithophobia is the fear of birds.
- 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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