By Samantha Libbey, Class of 2027 Figure 1: Map of Africa highlighting in blue the region inhabited by the Khoe-San population. Human fossils have long been used to study evolution and human diversity by comparing anatomical features across populations. One feature of interest among anthropologists is the frontal sinus, an air-filled space found in the forehead. While its exact function is still debated, it is … Continue reading What the Frontal Sinus Reveals About Human Evolution in Sub-Saharan Africa