Advanced crafting of stone spearheads contributed to the development of new ways of human thinking and behaving. This is what new findings by archaeologists at Lund University have shown. The technology took a long time to acquire, required step by step planning and increased social interaction across the generations. This led to the human brain developing new abilities.
200 000 years ago, small groups of people wandered across Africa, looking like us anatomically but not thinking in the...