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EntertainmentAncient 'tree' on Mars
UFO hunters claim to find the fossil record of a tree trunk on Mars, indicating that the red planet once covered greenery.The NASA autonomous probe is about to land on Mars
The program will be carried out from the Mission Control Center of NASA's Jet Laboratory in California, but will be interrupted because radio signals on Mars take 14 minutes to
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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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