According to a study published in the journal PLoS ONE, a 35,000-year-old flint flake found at a Middle Paleolithic site in Crimea, Ukraine, was likely engraved symbolically by a skilled hand of a Neanderthal. The engraved flint flake from the Kiik-Koba site, Crimea, Ukraine; the arrow indicates the point of impact. Scale bar – 1 cm. Image credit: Majkić et al, doi: 10.1371/journal.pone.0195049. Engraved objects are important clues to the history...
