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Early Hominins Perfected a Stone Tool That Survived 300,000 Years of Climate Chaos

Learn how early hominins crafted the same sharp-edged Oldowan tools through 300,000 years of climate change, revealing one of ...

U of A professor part of team that discovered 2.75 million-year-old stone tools

Professor Amelia Villaseñor and her team uncovered 2.75 million-year-old stone tools in Kenya, showcasing long-term cultural ...