Most dust particles in your house come from dead skin.
48
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
If the chemical sodium is dropped into water it will immediately and violently explode.
67
A cubic yard of air weighs about 2 pounds at sea level.
31
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
One barrel of petroleum holds 42 gallons.
20