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B. UC Researcher Develops Odor-free Soc

Narrator: This is Science Today. A University of California, Davis researcher has developed a product that will score points in locker rooms and homes alike - odor-free, cotton socks. Gang Sun, a professor in the Division of Textiles and Clothing took non-toxic chlorine molecules and bonded them to cotton fibers. Unlike some antibacterial products on the market, Sun says chlorine can kill germs without generating resistance.

Sun: It's different from the antibiotics because the antibiotics kills the germs by a kind of biological process. This biological process also can easily generate the resistance from the germs because most of the antibiotics only target one enzyme. If the enzyme changes a little bit, the enzyme survive and the whole germ will survive and also the whole germ will develop the resistance.

Narrator: But there's no known resistance to chlorine.

Sun: Chlorine has been used for almost exactly a hundred years as a drinking water disinfectant. No resistance.

Narrator: For Science Today, I'm Larissa Branin.