One barrel of petroleum holds 42 gallons.
20
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The storage capacity of human brain exceeds 4 Terrabytes.
140
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89