The abalone shell before excavation from the 100,000 year old, Middle Stone Age-levels at the Blombos Cave in South Africa. Photo by Science/AAAS. Researchers have unearthed two abalone shells from a ...
A group of Home sapiens came across a picturesque cave on the coast of South Africa around 100,000 years ago. They unloaded their gear and set to work, grinding iron-rich dirt and mixing it gently ...
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