Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
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In 2011, two men paraglided from the summit of Mt. Everest, arriving at a village in 42 minutes and avoiding the dangerous conventional 3 day descent.
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In 1989, a British company made a laptop with a graphical user interface, a 60 hour battery life, SSD storage, and a touchpad.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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