Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
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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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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Out of all the senses, smell is most closely linked to memory.
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Balsa wood is classified as a hard wood!
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Pumice is the only rock that floats on water.
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