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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
One 75-watt bulb gives more light than three 25-watt bulbs.
57
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89