WhyhavAs CKehetsistoDo? "Take white lead, one part, and any glass substnupcible and then pour the mixture. To Mm3签1?是 ss and after forty days you will find emeralds Utilizes natural substances and creates artificial ones. ConpnelkandsMlhtlooyya atlcaenigtinEdiyngodegaatemastry Dover: New York 1960, p. 160 Provides a molecular interpretation ofhealth and disease2 What Does a Chemist Do? What is Chemistry? • Studies the atomic composition and structural features of substances. • Investigates the varied interactions among substances • Utilizes natural substances and creates artificial ones. • Comprehends the complex chemistry of living organisms. • Provides a molecular interpretation of health and disease. “Take white lead, one part, and any glass you choose, two parts, fuse together in a crucible and then pour the mixture. To this crystal add the urine of an ass and after forty days you will find emeralds” Stillman, J. M. The story of Alchemy and Early Modern Chemistry; Dover: New York 1960, p. 160