Zinc can be found in many places including the air, soil, water and in the food we eat.  It is found most abundantly in the crust of the earth.  Zinc is important as we need zinc in our diets.  The shiny, blue/white metal also has many commercial and industrial uses such as being mixed with other [...]

Uranium was first discovered in silver mines in what is now the Czech Republic by a German chemist named Martin Klaproth.   Uranium, a dense silver-white metal, is found abundantly in the crust of the earth.  It’s also found in soil, rivers, the ocean, in the food we eat and even – in trace amounts - in human [...]