Archive: 13/08/2009

Energy efficient sewage plants

High-rate digestion with microfiltration is state-of-the-art in large sewage plants. It effectively removes accumulated sludge and produces biogas to generate energy. A study now reveals that even small plants can benefit ...

dateAug 13, 2009 in Energy & Green Tech
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An apple a day keeps kidney stones away

Researchers have found another reason to eat well: a healthy diet helps prevent kidney stones. Loading up on fruits, vegetables, nuts, low-fat dairy products, and whole grains, while limiting salt, red and processed meats, ...

dateAug 13, 2009 in Health
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