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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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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In zero gravity, a candle's flame is round and blue.
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If the chemical sodium is dropped into water it will immediately and violently explode.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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