Gray wolf - wikipedia, free encyclopedia, The gray wolf [a] (canis lupus [b]), also known as the timber wolf, true wolf or western wolf [c] is a canid native to the wilderness and remote areas of north. Why hair turn gray? everyday mysteries:fun science, Why does hair turn gray?(everyday mysteries: fun science facts from the library of congress). Units: - university north carolina chapel hill, G g a symbol for the average acceleration produced by gravity at the earth's surface (sea level). the actual acceleration of gravity varies from place to place.