Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
No matter how cold it gets, gasoline will not freeze.
107
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Iron weighs more after it rusts.
16
A ball of glass will bounce higher than a ball made of rubber.
73