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One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water
60秒科学
One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water
Scientific American(四)月
Kid Rock describes his latest album, Born Free, as organic blues-based rock and roll. Born Free is Kid Rock's first new album in more than three years. He left the comforts of his home studio in Detroit, Michigan to record the collection in Los Angel
VOA标准英语2011年(一月)
It is certainly a unique idea - an anonymous app that lets you chat from the toilet with others in a similar position. 有一款手机应用，可以让你在如厕时和其他正在上厕所的人进行匿名交流，这个创意不错吧？ Called
英语新闻
It's been 10 years now since the attacks on September 11, 2001 that killed thousands in America. For families and friends of those killed, the pain is still raw. However, the tragedy has proved a catalyst for one organization to rise out of the rubbl
世界各地新闻集锦
Keeping a busy social life amongst lots of friends may keep people slimmer than spending several hours on a treadmill, according to scientists. 科学家研究发现，与在跑步机上锻炼几个小时相比，忙于参加朋友们的社交活动可
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