4.5 pounds of sunlight strike the Earth each day.
27
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Iron weighs more after it rusts.
68
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Scientists are now able to grow 'beating' heart tissue in a lab!
162
No matter how cold it gets, gasoline will not freeze.
107
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Iron weighs more after it rusts.
16