- It is impossible for most people to lick their own elbow.
- A crocodile cannot stick its tongue out.
- A shrimp's heart is in its head.
- It is physically impossible for pigs to look up into the sky.
- The "sixth sick sheik's sixth sheep's sick" is believed to be the toughest tongue twister in the English language.
- If you sneeze too hard, you could fracture a rib.
- Wearing headphones for just an hour could increase the bacteria in your ear by 700 times.
- In the course of an average lifetime, while sleeping you might eat around 70 assorted insects and 10 spiders, or more.
- Some lipsticks contain fish scales.
- Cat urine glows under a black-light.
- Like fingerprints, everyone's tongue print is different.
- Rubber bands last longer when refrigerated.
- An ostrich's eye is bigger than its brain.
- Most people fall asleep in seven minutes.