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EntertainmentHow to know the person opposite you is making a fake smile?
Smile is a common language in the world that represents friendliness. But how do we know if that smile is true?The brain detects real smile - fake laugh of others
Recent research has shown that the human brain is capable of distinguishing natural smiles and smiles
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Can carp live 10 years in a tank without feeding?
Why do Italy and Switzerland have to redraw the border?
Japanese bullet train accident-free for 60 years
The world's most crowded apartment building: Can accommodate up to 30,000 people, the view inside is overwhelming
World's oldest wine jar contains cremated human bones
America catches strange signal from 1.3 billion light years away from Earth
Two black holes closest to Earth discovered, of a kind never seen before
Solar sails help spacecraft reach Mars in 26 days
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