The two recent gang-rape incidents in India and the beheading of a Sri Lankan woman in Saudi Arabia, a so-called friendly nation, has caused me to wonder if we are making any progress at all. We are supposed to be culturally evolving and perhaps some of us are, but these atavistic acts by men makes me wonder.
Calcium. An element that we and billions and billions of organisms cannot live without. All vertebrates, with their vertebral columns and many other bones and teeth need calcium. All shelled mollusks and barnacles require calcium. You don’t find many barnacles, if any, in freshwater environments. Calcium is found in a host of other animals where it serves a variety of vital functions.