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EntertainmentCopenhagen wheel turns all bikes into hybrid cars
Do you like the idea of riding a bike to work without losing weight? If the answer is yes, you should buy yourselfAids to help blind people ride their bicycles
Developers said, UltraBike uses the same technology platform to detect obstacles, UltraCane hazard warnings.
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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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