The oldest known shell to have been engraved by an early human has been uncovered in a Dutch museum collection, where it remained unnoticed since the 1930s. The ancient mollusc, originally discovered ...
LEIDEN, Netherlands, Dec. 3 (UPI) --Researchers say a sharp zigzag, engraved into the underside of a shell, is the oldest example of human art. Previously, the earliest examples of geometric art were ...
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