Sound travels about 4 times faster in water than in air.
408
4.5 pounds of sunlight strike the Earth each day.
27
Iron weighs more after it rusts.
68
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Cold water weighs more than hot water.
93