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EntertainmentWhy are tears welling up when happy?
Happy tears are the way the body recreates 'the balance of emotions'.10 emotional moments that move your heart
The moment the tears of happiness of the union members, the kiss in the rainstorm or the choking tears because of the separation ... sobbed the hearts of the viewers.
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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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