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EntertainmentEvidence of water once flowing on Mars
The Curiosity probe of the US Space Agency (NASA) found circular stones on Mars. Scientists say stones are only formed when they are swept away over long distances by water.Resins can effectively block out cosmic rays
Lighter materials, such as plastic, can help astronauts effectively block harmful radiation rays during space travel.
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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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