- 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.
- Dendrophobia is the fear of trees.
- 45% of people use mouthwash everyday.
- Hippopotamuses have skin 3.8cm (1.5in) thick.
- It's possible to lead a cow up stairs but not down.
reload more facts | visit cool facts
add this widget to your website