Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
One third of the electricity produced on earth is used to power electric light bulbs!
75
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39