- Useful life of a modern toilet is 50 years.
- A person produces enough saliva to fill 2 average size swimming pools during their lifetime.
- Hawaii officially became apart of the US on June 14 1900.
- Dinosaurs lived on Earth for over 165 million years before they became extinct.
- Hippopotamuses have skin 3.8cm (1.5in) thick.
reload more facts | visit cool facts
add this widget to your website