Dr Gary Greenberg has magnified and photographed sand from beaches around the world often revealing surprising vibrant splashes of color from the minerals shell and coral fragments contained within nbsp He rsquo s discovered there rsquo s more to sand than meets the eye In arenology the study of sand the microscopic analysis of sand rsquo s mineral content can reveal much about erosion shore currents and their potential effects on coastlines Even a little sand can yield information of great worth nbsp A single prayer like a grain of sand can be a weighty thing Scripture indicates prayer rsquo [... more]