Scientists in Kenya unearthed ancient stone tools that are helping us learn about our early human evolution. These tools date back to over 3 million years predating the existence of modern humans. Tom Plummer and his team discovered  these tools while digging in Kenya’s Homa Peninsula. The tools are simple but clever – sharp stone flakes made by striking  one rock against another. Even after millions of years, these stone “knives” have retained their sharpness. “These tools changed everything,” says Plummer, who works at the City University of New York. “It allowed them to access a whole array of foods … Continue reading 3 Million-Year-Old Stone Tools in Kenya Suggest Early Tool Use by Paranthropus