ocr: Preceding the footprint-maker.a robust cranium between 400,000 and 500,000 years old from Saldanha (left) shows heavy browridges, while the 260,000-year-old Florisbad skull (right) ap- proaches the modern H. sapiens form.These fos- sils may represent the line from which people like us had evolved by about 100,000 years ago, fishing and hunting abilities to the emergence of symbolic thinking, which many specialists believe occurred. between 40,000 and 60,000 years ago. Symbolic thought allows us to think abstractly, analyze the past, and anticipate the future. It lets us make plans, create art, ...
