The left ear is more responsive to words of love and emotion whispered into it than the right.
40
One barrel of petroleum holds 42 gallons.
20
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Cold water weighs more than hot water.
93
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
For every gallon of sea water, you get more than a quarter pound of salt.
45