In this discussion, Peter Kjærgaard, a Professor of Evolutionary History, and José Joordens, a notable researcher in Human Evolution, dive into the fascinating world of Homo erectus. They reveal how this ancient ancestor thrived for two million years, showcasing their endurance and adaptability in diverse habitats. The guests explore the intriguing links between their diet, brain size, and social structures. They also ponder the implications of potential communication capabilities, challenging long-held beliefs about our evolutionary relatives.