At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Liquid TIDE laundry detergent glows under a blacklight.
96