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EntertainmentThe secret behind the happiness index is high in Bhutan
This Himalayan kingdom is famous for the highest National Happiness index in the world for many years.Learn how to reduce fear of death
Understanding the phenomena and processes before leaving life will help the family know how to please the sick at their last moment.
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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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