The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The storage capacity of human brain exceeds 4 Terrabytes.
140
Hot water can freeze faster than cold water.
181
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
One third of the electricity produced on earth is used to power electric light bulbs!
75
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Sound travels about 4 times faster in water than in air.
408
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18