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Isotope-based method can detect unknown selenium compounds

Although present in very small amounts, selenium (Se)-based compounds play important roles in protecting the body from oxidative stress, regulating thyroid hormones, strengthening the immune system, and even detoxifying heavy metals. As we begin to understand more about the

About half say democracy performing poorly: Survey

About half of Americans say democracy is performing poorly, according to a survey. The Charles F. Kettering Foundation/Gallup Democracy for All Project survey found that 51 percent of respondents claimed “U.S. democracy is performing poorly,” while 24 percent claimed their