Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The smell of freshly cut grass is actually a plant distress call.
31
One barrel of petroleum holds 42 gallons.
20
No matter how cold it gets, gasoline will not freeze.
107
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
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Scientists in Germany have developed a candy that doesn't cause cavities.
11
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13