- Wearing headphones for just an hour will increase the bacteria in your ear by 700 times.
- Birds need gravity to swallow.
- Recycling one glass jar saves enough energy to watch TV for 3 hours.
- The fingerprints of koala bear are indistinguishable to that of a human.
- Cows don't have upper front teeth.
reload more facts | visit cool facts
add this widget to your website