Interesting chemistry facts?

[AlexisBrown]

I like learning, so spit your facts! Any interesting facts about chemistry, or even biology or another science, as long as you specify. The person who types the most facts gets best answer!

 

[Jessav]

Salt changes water density and it makes things float easier. You can swim and maintain yourself floating a lot more time in the sea than on a pool.

There are no black colored eyes, only very dark brown ones.