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100-year Flash Flood Strands Hikers In Canyonlands National Park Cave

When once again, our human ancestors employed their intelligence and organizing abilities to take some of the danger and guesswork out of hunting. A single of the most critical of these was known as a burin, a humble-seeking rock chisel that was utilised to cut grooves and notches into bone and antler, lightweight material that was also challenging and durable. The intricate spearheads and harpoon ideas created from that bone and antler were little and light adequate to be carried on foot by hunters over lengthy distances, and were also detachable and interchangeable, creating the initial compound tools. Museum science...