Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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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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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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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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At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Sound travels fifteen times faster through steel than through air.
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According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
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