Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Scientists are now able to grow 'beating' heart tissue in a lab!
162
The sun is 330,330 times larger than the earth.
75
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
For every gallon of sea water, you get more than a quarter pound of salt.
45