A new approach for activating chemical reactions based on the element selenium has been tested by scientists. They demonstrated that selenium can form bonds similar to those of hydrogen bonds, ...

Cancer types such as melanoma, prostate cancer and certain types of leukemia weaken the body by over-activating the natural immune system. Researchers have now demonstrated that selenium -- naturally ...

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, ...

Photoconductivity was discovered by William Adams and Richard Day in 1876, who found that selenium produced an electric current when the light was allowed to fall on it. The importance of this ...

WEST LAFAYETTE, Ind. - A Purdue University researcher has successfully engineered plants that may not only lead to the production of anti-carcinogenic nutritional supplements, but also may be used to ...

An estimated 500 million to 1 billion people worldwide are affected by selenium deficiency, according to the World Health ...

Thermoelectric materials work by converting differences in temperature into electric voltage. If two parts of such a material experience significantly different temperatures, electrons within it will ...