Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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A ball of glass will bounce higher than a ball made of rubber.
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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The storage capacity of human brain exceeds 4 Terrabytes.
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