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EntertainmentThe secret of the fastest runners of the planet
Usain Bolt - Jamaican athletes are dubbedWhen the world's fastest people race in a zero gravity environment
Perhaps Usain Bolt is no longer a strange name for many people in the world because he is the holder of the Olympic record and the world in the running 100m and 200m.
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Why have there never been any bird droppings on the roofs of the Forbidden City in the past 600 years?
After being continuously heated for 270 days at over 1,000 degrees Celsius, the GRX-810 material remained unharmed: What is the secret?
The loneliest robot in the universe - 'real-life WALL-E': 15 years wandering in endless space.
Debunking Space Myths: Questions Surrounding Nebulae!
14 of the most powerful armies in ancient world history.
12 of the most terrifying venomous spiders to humans.
10 harmful effects of eating dog meat that not everyone knows about.
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