The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
For every gallon of sea water, you get more than a quarter pound of salt.
45
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The sun is 330,330 times larger than the earth.
75
The average temperature at 40,000 feet above sea level is -60 F.
56
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108