- Babylonians measured the circumference of a circle as approximately 3 times the diameter, which is fairly close to today's measurement which uses the value of Pi (around 3.14)..
- There is no rice in rice paper.
- The study of insects is called entomology.
- Chalk is made from tiny plankton fossils.
- There are over 100,000 different species of butterflies.
reload more facts | visit cool facts
add this widget to your website