Many cosmetics, ranging from lipstick to moisturizing creams, contain ingredients referred to as emollients whose聽main purpose is to keep the skin hydrated and聽prevent聽moisture in the skin from...
Serratia marcescens love a moist environment but cannot survive in chlorinated water. However, when tap water sits around, like in a toilet bowl, or on grout, or on a shower curtain, the chlorine...
Glass is made by heating sand and then allowing it to cool down. Sand, or silicon dioxide, has a highly ordered arrangement of its silicon and oxygen atoms. In other words, it has a well-defined...
