Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Iron weighs more after it rusts.
16
Balsa wood is classified as a hard wood!
41
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The smell of freshly cut grass is actually a plant distress call.
31