Facts You Might not know

1. The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting. 
2. Until babies are six months old, they can breathe and swallow at the same time. Indeed convenient!
3. Offered a new pen to write with, 97% of all people will write their own name.
4. Male mosquitoes are vegetarians. Only females bite.
5. The average person's field of vision encompasses a  200-degree wide angle.
6. To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
7. Canadians can send letters with personalized postage stamps showing their own photos on each stamp.
8. Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
9. It snowed in the Sahara Desert in February of 1979.
10. Plants watered with warm water grow larger and more quickly than plants watered with cold water.