Most dust particles in your house come from dead skin.
48
A cubic yard of air weighs about 2 pounds at sea level.
31
German chemists made a replica of a trophy the size of one molecule.
68
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
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
In zero gravity, a candle's flame is round and blue.
16
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
No matter how cold it gets, gasoline will not freeze.
107