- Clothes dried outside smell better because of a process called photolysis (sunlight breaks down compounds that cause odor).
- 45% of Americans don't know that the sun is a star.
- Spiders are arachnids and not insects.
- The Earth is struck by lightning over 100 times every second.
- Hippopotamuses have skin 3.8cm (1.5in) thick.
reload more facts | visit cool facts
add this widget to your website