At several archaeological sites in southern Africa, hundreds of highly unusual fragments of ostrich eggs have been found.
In a paper published in PNAS, they reveal not only that these ancient carvings were applied in an intentional, systematic ...
More than 40,000 years ago, Ice Age humans were carving repeated patterns of dots, lines, and crosses into tools and small ivory figurines. A new computational study of more than 3,000 of these ...
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