Neanderthal man had a brain capacity 100cc larger than modern man's.
50
One ragweed plant can release as many as one billion grains of pollen!
51
Indoor pollution is 10 times more toxic than outdoor pollution.
62
No matter how cold it gets, gasoline will not freeze.
107
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
One cubic foot of gold weighs more than 1,200 pounds!
78
Most dust particles in your house come from dead skin.
48