Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
No matter how cold it gets, gasoline will not freeze.
107