How do scientists decide what counts as a species in the fossil record? And how certain can we really be about our evolutionary family tree? In this episode of Our Primate Past, paleoanthropologist Bernard Wood explores the evidence behind some of the most debated questions in human evolution.

Professor Bernard Wood is a globally renowned paleoanthropologist whose work has reshaped how researchers classify hominin fossils and interpret evolutionary relationships. Over his career, he has redefined the boundaries of the genus Homo, made major contributions to our understanding of Paranthropus, and helped introduce rigorous phylogenetic methods into paleoanthropology.

In this interview, Professor Wood reflects on his career and most influential research contributions. He discusses the challenges of defining spe ...