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EntertainmentNASA chief scientist: We can find life on Mars in the next 2 years!
Jim Green, NASA's chief scientific officer, said they were nearing the point of discovering life on Mars, but he feared that the world was not ready for such a 'revolutionary'China will bring exploration robots to Mars in 2020
China announced the first images of self-propelled exploration robots scheduled to land and explore the red planet in 2020.
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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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