Scarcer food may have pushed early humans to rework stone tools for longer use

About 300,000 years ago, the emergence of the first Homo sapiens in Africa was accompanied by major cultural and technological changes, marking the beginning of a new archaeological period, the Middle Stone Age. At that time, African landscapes were also undergoing profound trans This story matters for Science & Discovery readers tracking insect. Reported by phys.org. Read the full original at the source link below.