The Earth's atmosphere weighs about 5.5 quadrillion tons.
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Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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Most dust particles in your house are made from dead skin!
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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One third of the electricity produced on earth is used to power electric light bulbs!
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