Kevin McCain is Associate Professor of Philosophy at the University of Alabama at Birmingham, USA. His published research includes Evidentialism and Epistemic Justification (2014), The Nature of Scientific Knowledge: An Explanatory Approach (2016), and, with Kostas Kampourakis, Uncertainty: How It Makes Science Advance (2019).Kostas Kampourakis is a researcher in science education and a lecturer at the University of Geneva, Switzerland. His most recent authored books are Making Sense of Genes (2017), Turning Points: How Critical Events Have Driven Human Evolution, Life and Development (2018), and, with Kevin McCain, Uncertainty: How It Makes Science Advance (2019). He has also co-edited, with Michael Reiss, Teaching Biology in Schools: Global Research, Issues and Trends (2018).