Evidence of caveman chemistry

South Africa’s Blombos Cave has revealed early paint and adhesive production, according to a report published on Thursday in the journal Science and picked up by the New York Times.


Cavemen used stones to pound and grind earth containing a kind of iron oxide to a powder, known as ochre. This was then blended with fat from animal bone marrow and charcoal, to create paint for human adornment and cave painting.


The Cave, 200 miles east of Capetown on a coastal cliff, dates back to 100,000 years ago, according to archaeologists.


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