- The most common mental illnesses are anxiety and depression.
- The compass and straight edge were powerful tools in the advancement of geometry, allowing the construction of various lengths, angles and geometric shapes..
- House cats have 18 claws.
- The most common time for a wake up call is 7am.
- 80% of the world's food crops are pollinated by insects.
reload more facts | visit cool facts
add this widget to your website