WebMar 10, 2024 · Sonia Harmand, an archaeologist also at Stony Brook, says the new study merely shows “random, accidental detachment of fragments without any specific organization or control.” Furthermore, she argues, “to prove flaking, you don’t look at the flakes primarily; you look at the cores,” meaning the hammer stones. WebMay 20, 2015 · Dr Harmand’s team shows us just what this even simpler altering of rocks looked like before technology became a fundamental part of early human behavior,” said Dr Rick Potts of Smithsonian Institution. _____ Harmand, S. et al. 3.3 Million-Year-Old Stone Tools from Lomekwi 3, West Turkana, Kenya. Nature, published online May 21, 2015
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WebMoved Permanently. Redirecting to /professor/2356351 WebApr 18, 2015 · In all, the team, led by archaeologist Sonia Harmand of New York’s Stony Brook University, found 20 flakes, cores, and anvils used as a base to shape stones, with “telltale marks of intentional engineering”. They also uncovered an additional 130 other tools, according to science magazine Discover. mx 見れない 神奈川
Sonia Harmand
WebApr 5, 2024 · These findings were made public by Jason Lewis and Sonia Harmand. They found a large deposit of different shaped stones used to strike bone, wood, and other stones. Video biointeractive. According to the research, these are hammer stones, and our ancestors used these tools for killing and cutting. WebNov 14, 2016 · Harmand’s analysis suggested that the tools were 3.3 million years old — 700,000 years older than the previously known “oldest” tools. And they were huge. The mean weight of the pointy ... WebNov 23, 2024 · Sonia Harmand, Jason E. Lewis, Craig S. Feibel, Christopher J. Lepre, Sandrine Prat et al.), (2015). But how do archaeologists figure out how old something is? The answer depends on whether the material being tested is organic or inorganic. Organic material comes from living things. mx 読み方