Iron weighs more after it rusts.
16
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Each day, up to 150 species of life become extinct.
-23
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
For every gallon of sea water, you get more than a quarter pound of salt.
45
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89