The stone tools could likely be the oldest evidence of Stone Age innovation.
Whichever human ancestor was responsible for building these tools was more than 800 miles away from the previously known oldest examples of Oldowan stone tools. These 2.6 million year old tools wereand this new finding expands the region associated with Oldowan technology’s earliest origins.
“With these tools you can crush better than an elephant’s molar can and cut better than a lion’s canine can,”. “Oldowan technology was like suddenly evolving a brand-new set of teeth outside your body, and it opened up a new variety of foods on the African savannah to our ancestors.” The team analyzed the wear patterns on the stone tools and animal bones found near them, which led them to believe that the tools were used to process various materials and foods, including plants, meat, and possibly bone marrow.Among the 1,776 fossilized animal bones the team found 330 artifacts which showed signs of butchery.
“Stone tools are allowing them, even at this really early date, to extract a lot of resources from the environment,” study co-author Thomas Plummer from City University of New York’s Queen’s CollegeWhile the team says it will be difficult to solve the mystery of which ancestor species made the tools, the excavations in this study offer an important window to the past world of humans’ ancestors.
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