The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Scientists aren't sure what color dinosaurs were.
312
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
One ragweed plant can release as many as one billion grains of pollen!
51
Liquid TIDE laundry detergent glows under a blacklight.
96
Neanderthal man had a brain capacity 100cc larger than modern man's.
50