4.5 pounds of sunlight strike the Earth each day.
27
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
A cesium atom in an atomic clock beats over nine billion times a second.
43
The force of a suction cup is calculated using F=AP.
15
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Most dust particles in your house are made from dead skin!
67