Carol Kaesuk Yoon received her Ph.D. PhD in ecology and evolutionary biology from Cornell University and has been writing about biology for The New York Times since 1992. Her articles have also appeared in Science, The Washington Post, and the Los Angeles Times. Dr. Yoon has taught writing as a Visiting Scholar at Cornell University's John S. Knight Writing Program, working with professors to help teach critical thinking in biology classes. She has also served as a science education consultant to Microsoft. She lives in Bellingham, Washington.