- An astronaut can be up to 2 inches taller returning from space (the cartilage disks in the spine expand in the absence of gravity).
- The first toothbrush was invented in 1498.
- The diameter of the sun is 1,390,000km (865,000 miles).
- The first Lifesaver flavor was peppermint.
- Nintendo first produced playing cards.
reload more facts | visit cool facts
add this widget to your website