Students' water-testing tool wins $40,000, launches nonprofit

University of Washington engineering students have won an international contest for their design to monitor water disinfection using the sun's rays. The students will share a $40,000 prize from the Rockefeller Foundation ...

New explanation for nature's hardiest life form

Got food poisoning? The cause might be bacterial spores, en extremely hardy survival form of bacteria, a nightmare for health care and the food industry and an enigma for scientists. Spore-forming bacteria, present almost ...

Double disinfection treatment for safer drinking water

In spite of good progress in water hygiene during the recent decades, contaminated water still causes millions of diseases every year. Most of these diseases are caused by enteric viruses, and better water disinfection methods ...

Hot tubs and swimming pools are not as clean as you may think

Whether water is hot in a tub or cold in a pool, it can bring immediate relief from stress or summer heat. But hot tubs and swimming pools are not always as clean as you might think, even when disinfected. In a new study ...

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