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Manoeuvring a satellite in orbit usually requires thrusters. Sometimes the thrust is provided by a fuel-burning rocket motor. Sometimes it comes from 阅读全文
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If I'm being really honest, the only time I actually remember to stretch before a workout is when I'm doing yoga. Since the practice is so focused on 阅读全文
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Climate change is a devilish problem for humanity: at once urgent and slow-moving, immediate and distant, real and abstract. It is a conundrum for wri 阅读全文
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When it comes to saving money, the struggle is all too real. It's like your bank account and your 20s really want to be best friends, but somehow, are 阅读全文
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With the rapid development of modem society, an increasing number of people are concerned about the problem of the relationship between a husband and 阅读全文
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You’ve been in your role for a while now, giving 110% to every assignment your manager hands out. You’ve volunteered for what seems like every project 阅读全文
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When Becky Evans started studying cat-human relationships, she kept hearing, over and over again, about how cats are psychopaths.On one hand, anyone w 阅读全文
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A London patient has become the second known man worldwide to be cleared of AIDS virus after receiving a bone marrow transplant from an HIV resistant 阅读全文
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Medicine has not always shown a lot of respect for the human body. Just think about the ghoulish disregard early surgeons had for our corporeal integr 阅读全文
