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. Flame Temperatures Table for Different Fuels Valency of Elements on the Periodic Table Why Is the Ocean Blue? Chemistry Glassware Types, Names and Uses How Is Gold Formed? Origins and Process The 10 Most Important Lab Safety Rules The Difference Between Homogeneous and Heterogeneous Mixtures Printable Periodic Table Image and Periodic Table Wallpaper A List of All the Elements of the Periodic Table Table of Electrical Resistivity and Conductivity Examples of Chemical Reactions in Everyday Life Chemical Element Charges Table Null Hypothesis Examples Comparing the Hydrogen Bomb and the Atomic Bomb List of Strong and Weak Acids Examples of Physical Changes Converting Cubic Meters to Liters Examples of Polar and Nonpolar Molecules Examples of Independent and Dependent Variables 10 Cool Chemistry Experiments How to Calculate Percent Error What Is Alum and How Is It Used? 10 Types of Energy With Examples What Is the Difference Between Weight and Mass?