If you leave a clear bottle of water in the sunlight, the ultraviolet rays will kill any harmful microbes in that water, making it drinkable … but it has to sit in the sun for at least six hours. A ...

At least 2 billion people worldwide routinely drink water contaminated with disease-causing microbes. Now Stanford University scientists have invented a low-cost, recyclable powder that kills ...

(Nanowerk News) At least 2 billion people worldwide routinely drink water contaminated with disease-causing microbes. Now, scientists at Stanford University and SLAC National Accelerator Laboratory ...

At least 2 billion people worldwide routinely drink water contaminated with disease-causing microbes. Now Stanford University scientists have invented a low-cost, recyclable powder that kills ...