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Why does salt dissolve in water but oil doesn't? 为什么盐可溶于水而油却不行呢? Well, in a word,chemistry. But that's not very satisfied, isn't it? 总的来说,是化学作用。但这并不令人满意,对吧? Well, the reason
俄罗斯莫斯科的一位生物能量学教授近日宣布,他已研制出一种能够有效延缓衰老的不老药,并有望于几年内上架销售。这位科学家用40年的时间研制出一种抗氧化剂,能够有效抑制氧分子对人
As the 2010 FIFA World Cup Continues in South Africa, future football and other aspiring professional sports hopefuls train at a special facility at the University of Pretoria. New groups of promising future sports champions arrive throughout the yea
A new study from Iowa State University has identified some of the central aspects of nomophobia -- that's no mobile phone phobia -- with a handy new 20-question survey measuring iPhone codependence.Scroll down to take the quiz. 爱荷华州立大学(
How to Develop Running As a Lifestyle One of the greatest physical and mental challenges on the planet is to complete a Marathon. While the thought of running a little over 42 km is daunting, for most healthy people this is an achievable goal. The fi