Did you know that the ocean-like sound you hear when a seashell is placed against your ear is actually the echo of blood pulsing in your ear? Or, that dolphins actually have bigger brains than humans? If not, continue reading to see eighteen more random facts.

18. Pigeon

17. Bee

16. Electric Eel

15. Horned Owl

14. Baby

13. Spiders

12. Cats

11. Snails

10. Leonardo Da Vinci

9. Armadillos

8. Dollar Bill

7. Rats

6. Glass

5. Rattlesnakes

4. Poker

3. Full Stomach

2. Skin

1. Yawning