Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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Scientists aren't sure what color dinosaurs were.
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In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
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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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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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Sound travels fifteen times faster through steel than through air.
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There is a surgical implant being developed that will give you an orgasm at the touch of a button.
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A cubic yard of air weighs about 2 pounds at sea level.
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