A 'jiffy' is an actual unit of time for 1/100th of a second!
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Most dust particles in your house are made from dead skin!
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Most dust particles in your house come from dead skin.
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Aluminum used to be more valuable than gold!
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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4.5 pounds of sunlight strike the Earth each day.
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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