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地下水资源正在被过度开发
10-09-24 In recent decades, the rate at which humans worldwide are pumping dry the vast underground stores of water that billions depend on has more than doubled, say scientists who have conducted an unusual, global assessment（评定，估价） of groundwater us...
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看起来糟糕、难闻的水可能有毒
10-09-14 Earthy or musty（发霉的，落伍的） odors（气味，名声） , along with visual evidence of blue-green algae（海藻） , also known as cyanobacteria（蓝藻细菌） , may serve as a warning that harmful cyanotoxins are present in lakes or reservoirs. In a newly...
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单一离子通过微小的碳纳米管
10-09-10 For the first time, a team of MIT chemical engineers has observed single ions（离子） marching through a tiny carbon-nanotube channel. Such channels could be used as extremely sensitive detectors or as part of a new water- desalination（脱盐） syste...
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恢复沿海湿地需先检查其土壤成分
10-09-08 Rising sea levels and coastal development are threatening coastal freshwater wetlands with saltwater intrusion（侵入，闯入） . While most ecosystem restoration projects have focused on surface water and groundwater, new research finds that condition...
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南非研制出新式高效净水设备
10-09-02 A group of researchers in South Africa has developed a filter that can purify water straight from the bottle. 南非一组研究人员发明出一种可直接在瓶子中使水净化的过滤器。 The filter looks like a tea bag but contains material that block harmful chemica...
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热带雨林中发现玛雅人蓄水池
10-08-27 Since 2009, researchers from Bonn and Mexico have been systematically uncovering and mapping the old walls of Uxul, a Mayan city. In the process, we also came across two, about 100m square water reservoirs（蓄水池） , explained Iken Paap, who direct...
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研究：减少气候变化对历史建筑的影响
10-08-24 Some of the nation's most historic buildings and monuments may be better protected from decay（衰退，腐烂） in future, following a development by engineers. Researchers at the University of Edinburgh have devised a method of forecasting damage cause...
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立陶宛水下艺术馆成立
10-08-21 立陶宛的跳水爱好者们最近把二十多张当地摄影艺术家的作品放入该国西部的一个湖中，开创了立陶宛国内首个水下艺术馆，并声称在水下欣赏艺术是完全不同的一种体验。 A diver uses his underwater camera near a photograph submerged in lake Plateliai, western Lithua...
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夏威夷群岛海域可作为理想的水力发电厂
10-08-04 Researchers at the University of Hawaii at Manoa say that the Leeward（顺风的） side of Hawaiian Islands may be ideal for future ocean-based renewable energy plants that would use seawater from the oceans' depths to drive massive heat engines and pr...
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中国三峡大坝遭遇第二次洪峰
10-07-28 China's Three Gorges Dam has faced a second test as floods pushed the water in its reservoir to near its capacity, state media said. 中国新华社报道，长江洪水量已达三峡大坝最高容纳能力，大坝再一次面临考验。 Vast amounts of water have been released fr...
