Anne Marie Helmenstine, Ph.D. Follow Chemistry Expert Education Ph.D., Biomedical Sciences, University of Tennessee at Knoxville B.A., Physics and Mathematics, Hastings College Introduction Ph.D. in biomedical sciences from the University of Tennessee at Knoxville - Oak Ridge National Laboratory.Science educator with experience teaching chemistry, biology, astronomy, and physics at the high school, college, and graduate levels.ThoughtCo and About Education chemistry expert since 2001.Widely-published graphic artist, responsible for printable periodic tables and other illustrations used in science. Experience Anne Helmenstine, Ph.D. has covered chemistry for ThoughtCo and About Education since 2001, and other sciences since 2013. She taught chemistry, biology, astronomy, and physics at the high school, college, and graduate levels. She has worked as a research scientist and also abstracting and indexing diverse scientific literature for the Department of Energy.In addition to her work as a science writer, Dr. Helmenstine currently serves as a scientific consultant, specializing in problems requiring an interdisciplinary approach. Previously, she worked as a research scientist and college professor. Education Dr. Helmenstine holds a Ph.D. in biomedical sciences from the University of Tennessee at Knoxville and a B.A. in physics and mathematics with a minor in chemistry from Hastings College. In her doctoral work, Dr. Helmenstine developed ultra-sensitive chemical detection and medical diagnostic tests. ThoughtCo and Dotdash Meredith ThoughtCo, a Dotdash Meredith brand, is an award-winning reference site offering education content created by experts. ThoughtCo reaches 13 million readers each month. Learn more about us and our editorial guidelines. Read more from Anne Marie Helmenstine, Ph.D. What Is Fermentation? Definition and Examples What Are the Parts of the Periodic Table? Balanced Equation Definition and Examples How to Separate Salt and Sand — 3 Methods What Is Brass? Composition and Properties 20 Examples of Elements and Their Symbols Boiling Points of Ethanol, Methanol, and Isopropyl Alcohol Why Does Hydrogen Peroxide Bubble on a Cut? Mass Percentage Definition and Example Beer's Law Definition and Equation What Are the Most Deadly Poisons and Chemicals? Temperature Conversions - Kelvin, Celsius, Fahrenheit What Is the Most Conductive Element? How to Convert Kelvin to Fahrenheit What Is the Rydberg Formula and How Does It Work? What Is the Chemical Formula of Sugar? Chemistry Vocabulary Terms Periodic Table of Element Groups How to Convert Grams to Moles and Moles to Grams What Is a Control Group? Entropy Definition in Science Why Is the Statue of Liberty Green? Transition Metals: List and Properties What Are the Elements in the Human Body?