The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
For every gallon of sea water, you get more than a quarter pound of salt.
45
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
The sun is 330,330 times larger than the earth.
75