Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
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Most dust particles in your house come from dead skin.
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Iron weighs more after it rusts.
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