Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The average home creates more pollution than does the average car.
33
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Scientists are now able to grow 'beating' heart tissue in a lab!
162
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Hot water can freeze faster than cold water.
181