THE EVOLUTION OF SYMBOLS (re-posted from April, 2018)
When Science places a finding on their cover, it usually means that it is significant, which is indeed the case with the article by D.L. Hoffmann, et al. Entitled “U-Th dating of carbonate crusts reveals Neandertal origin of Iberian cave art.” A relatively new method of dating utilizing the carbonate drip-precipitated coating overlying the art …