Most dust particles in your house come from dead skin.
48
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
One cubic foot of gold weighs more than 1,200 pounds!
78
Sound travels about 4 times faster in water than in air.
408
Cold water weighs more than hot water.
93
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38