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In this article, I first provide an overview of the Neandertals by recounting their initial discovery and subsequent interpretation by scientists and by discussing our current understanding of the temporal and geographic span of these hominins and their taxonomic affiliation. I then explore what progress we have made in our understanding of Neandertal lifeways and capabilities over the past decade in light of new technologies and changing perspectives. In the process, I consider whether these advances in knowledge qualify as so-called Black Swans, a term used in economics to describe events that are rare and unpredictable and have wide-ranging consequences, in this case for the field of paleoanthropology. Building on this discussion, I look at ongoing debates and focus on Neandertal extinction as a case study. By way of discussion and conclusion, I take a detailed look at why Neandertals continue to engender great interest, and indeed emotion, among scientists and the general public alike.

Neandertals and Modern Humans in Western Asia. Takeru Akazawa. Kenichi Aoki. and Ofer Bar‐Yosef. eds. New York: Plenum Press, 1998.539 pp.

This article identifies key aspects of the metaphysical paradigms under which European Paleolithic archaeological research is conducted and contrasts the anthropological approaches typical of anglophone New World workers with those of the "his‐ tory‐like" natural science‐based traditions of Latin Europe. Because the Middle–Upper Paleolithic transition in Europe is thought by many to correspond to the biological replacement of Neandertals by modern humans over the ten millennia bracketing 40 kyr B.P., generalizations about the archaeological transition invoked in support of biological replacement are examined and are found to lack empirical support. Patterns in lithic technology, typology, raw material variability, reduction strategies, blank frequencies, bone and antler technologies, Paleolithic art, subsistence strategies, and settlement patterns all indicate a temporal‐spatial mosaic of changing monitors of human adaptation over the transition interval that cannot be reconciled with any construal of a relatively abrupt and complete biological replacement. [Key words: conceptual frameworks, research traditions, archaeological systematic, Middle–Upper Paleolithic transition, Neandertals, adaptation]

Neandertals disappeared from the fossil record around 40,000 bp, after a demographic history of small and isolated groups with high but variable levels of inbreeding, and episodes of interbreeding with other Paleolithic hominins. It is reasonable to expect that high levels of endogamy could be expressed in the skeleton of at least some Neandertal groups. Genetic studies indicate that the 13 individuals from the site of El Sidrón, Spain, dated around 49,000 bp, constituted a closely related kin group, making these Neandertals an appropriate case study for the observation of skeletal signs of inbreeding. We present the complete study of the 1674 identified skeletal specimens from El Sidrón. Altogether, 17 congenital anomalies were observed (narrowing of the internal nasal fossa, retained deciduous canine, clefts of the first cervical vertebra, unilateral hypoplasia of the second cervical vertebra, clefting of the twelfth thoracic vertebra, diminutive thoracic or lumbar rib, os centrale carpi and bipartite scaphoid, tripartite patella, left foot anomaly and cuboid-navicular coalition), with at least four individuals presenting congenital conditions (clefts of the first cervical vertebra). At 49,000 years ago, the Neandertals from El Sidrón, with genetic and skeletal evidence of inbreeding, could be representative of the beginning of the demographic collapse of this hominin phenotype. ; This research was supported by a grant from the Ministerio de Economía y Competitividad of Spain (CGL2016-75-109-P and Convenio Principado de Asturias–Universidad de Oviedo CN-09–084). L.R. was founded by the Juan de la Cierva program (Spanish Government) and thanks Asier Gómez-Olivencia for providing Neandertal and modern human metric data for the second cervical vertebra and for the discussion of several aspects of the hominin cervical spine. A.E. is founded by the Juan de la Cierva program (Spanish Government). Y.Q. received support from Ministerio de Educación y Ciencia Project N° CGL2015-65387-C3-2-P, MINECO-FEDER and a Predoctoral Grant, University of Burgos. T.L.K is funded by the HP7 European Research Council Starting Grant #336301.