The Earth's atmosphere weighs about 5.5 quadrillion tons.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
One third of the electricity produced on earth is used to power electric light bulbs!
75
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
4.5 pounds of sunlight strike the Earth each day.
27
Your brain is 80% water.
525
Most dust particles in your house are made from dead skin!
67
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88