João is a Portuguese archaeologist from the ICArEHB research centre at Algarve University, in Portugal, where he is leading the Group of Human Evolution and African Archaeology. He specialized in prehistory and lithic technology and his work has been developed in Western Europe and South Africa, on prehistoric hunter-gatherer adaptation-related with processes of climate and environmental change.  João is also interested in quantitative applications in archaeological and has himself create two new apps to use on the field, especially design to remote regions, called "Archeo Survey" and "Lithics On The Go".  In this episode, we talk about his journey into archaeology and how he almost ended up studying music. We will know about his work in Mozambique and Sudan and his collaborations with researchers in South Africa and other regions. He will explain why and how he created his apps for field survey and why he believes the MOOC on African Archaeology and Heritage is a project he felt connected and engaged since the beginning.  Join us and enjoy the interview! To know more on João's work and research please visit his personal: www.joaocascalheira.com  Join the ONLAAH newsletter at www.onlaah.com and visit our blog at www.dainst.blog/elearning-africa/