Who made the first stone tools? Discovery sheds light on mystery | CNN
Becoming Human: The Origin of Stone Tools | Science| Smithsonian Magazine
Ancient stone tools show the pace of remarkable technological enhancements over time
Oldest stone tools pre-date earliest humans - BBC News
Earliest Human Tool Use: What a New Discovery Means | Time
Discovery of two million-year-old tools shows human adaptability: University of Calgary scientist | Globalnews.ca
Stone Tools | The Smithsonian Institution's Human Origins Program
Ancient stone tools suggest first people arrived in America earlier than thought
Stone tool - Wikipedia
Oldest Stone Tools Ever Found Were Not Made by Human Hands, Study Suggests : ScienceAlert
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Who Made the First Stone Tool Kits? | Science| Smithsonian Magazine
Deadly sharp points found in Idaho could be first American-made tools | Science | AAAS
Oldest stone tools pre-date earliest humans - BBC News
Stone Tools | The Smithsonian Institution's Human Origins Program
Discovery of 3m-year-old stone tools sparks prehistoric whodunnit | Archaeology | The Guardian
New study tracks the evolution of stone tools | Ars Technica
These Stone Tools Made 2.6 Million Years Are the Oldest of Their Kind
Oldowan - Wikipedia
Oldest stone tools pre-date earliest humans - BBC News
What stone tools found in southern tip of Africa tell us about the human story
Stone Tool Technology of Our Human Ancestors — HHMI BioInteractive Video - YouTube
Oldest stone tools pre-date earliest humans - BBC News
Who made the first stone tools? Discovery sheds light on mystery | CNN
