Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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The storage capacity of human brain exceeds 4 Terrabytes.
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A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
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Cold water weighs more than hot water.
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A ball of glass will bounce higher than a ball made of rubber.
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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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