By Joseph Hollcraft, Catholic Exchange - Over the last five hundred years, scientists and doctors have visited such cities as Pontmain, France; Beauraing, Belgium; Banneux, Belgium; and Zion, Italy. These scientists, some claiming to be agnostic, some atheist, discovered an unexpected smell, a fragrance, a sweet perfume, unlike anything they had ever encountered... What did these experts in the field of physical science find? An aroma that came not from the earth but from heaven — from Mary, the Mother of God.