1. The number of possible ways to arrange a 52 card deck is about the number of atoms in the galaxy because: 52! = 8.06581752 × 10^67...

2. A leech has 32 brains....

3. when you blush, the lining of your stomach blushes too...

4. The human body has enough carbon to fill 1,000 pencils....

5. snail can sleep for three years....