Nylon is made from coal and petroleum.
42
Your brain is 80% water.
525
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Pumice is the only rock that floats on water.
14
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
One third of the electricity produced on earth is used to power electric light bulbs!
75