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
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The bark of an older redwood tree is fireproof.
65
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Most dust particles in your house are made from dead skin!
67
One cubic foot of gold weighs more than 1,200 pounds!
78
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57