Are Public Pools Safe?

    The sign says “Please shower before entering pool.” What is the purpose of that request? Isn’t showering a wasteful prelude…

    Choosing the Sex of Your Baby

    Scientists have used the size difference between the X and Y chromosomes to develop technologies that may help people choose…

    Sugar Substitutes and Fake Fats

    Many weight-conscious people turn to artificial sweeteners and fat substitutes to cut calories without sacrificing their favorite foods. Chemically, how…

    Organic or Natural

    The word organic has multiple meanings. To a chemist, an organic compound contains carbon and hydrogen. Chemically, all food is…

    Mexican cavefish living happly with Diabetes

    These strange little fishes live in caves of eastern Mexico. It’s strange because cave environment is entirely dark and there…

    What is Novichok?

    Novichok is an organophosphate nerve agent. It has been reported that developed by Soviets in 1970s. Presumably it is more…

    Why Men Die Early Than Women

    In a new book, Why Men Die First, Marianne Legato, a specialist in gender-specific medicine at Columbia University, explains: They…

    Is Silver Filling Safe?

    The warning is directed at two groups, which are already urged to limit mercury seafood over concerns that too much…