One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Your brain is 80% water.
525
German chemists made a replica of a trophy the size of one molecule.
68
Pure water (H2O) does not conduct electricity on its own.
46
Most dust particles in your house come from dead skin.
48
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
If the chemical sodium is dropped into water it will immediately and violently explode.
67