Thanks to her discovery of a global warming event that occurred 56 million years ago, Ellen Thomas, the Harold T. Stearns Professor of Integrated Sciences, Emerita, changed the way we think about climate change. Her research started with a serendipitous discovery of severe extinction of microscopic deep-sea organisms, foraminifera. Because of her prolific and impactful research, Thomas, along with her colleague James Zachos of the University of California, Santa Cruz, was given the BBVA Foundation Frontiers of Knowledge Award in the climate change category. “Both laureates think that the destructive impact of the event should be a warning to us…