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EntertainmentWhere is the smartest dog in the world? Call Border Collie!
Smart and loyal dogs, everyone knows. But hardly anyone knows that Border Collie is the smartest dog in the world.Top 10 fastest breeds in the world
Owning a maximum speed of up to 70 km / h, Greyhound is the fastest dog in the world today.
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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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