Most dust particles in your house are made from dead skin!
67
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The average temperature at 40,000 feet above sea level is -60 F.
56
For every gallon of sea water, you get more than a quarter pound of salt.
45
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Balsa wood is classified as a hard wood!
41