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The role of coastal resources in the subsistence strategies of Palaeolithic human populations has only recently become an important topic in Old World archaeology. Information on the exploitation of these resources, both as foodstuffs and symbolic elements, can be used to infer the emergence of modern human behaviour as well as to track the diversification and intensification of human diet over time. The excavations carried out at El Cuco rockshelter, located in northern Spain have provided evidence for the exploitation of marine resources during the Early Upper Palaeolithic. The accumulation of Patella shells at El Cuco provides the largest accumulation and the first clear evidence of collection and consumption of molluscs during the Aurignacian on the Atlantic Façade of Europe. A deposit of ornamental shells appeared in a very homogeneous context dated to the Gravettian, suggesting that the shells belonged to the same item. The analysis of this evidence has allowed us to conclude that marine resources were systematically used at least from the beginning of the Upper Palaeolithic in the region. However, a comparison with the Mesolithic shows that intensive shellfish gathering did not occur until the end of the Upper Palaeolithic. Regarding the ornaments, it is interpreted that the identified shell beads were used as social or personal status markers.  相似文献   
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Ferrari, S.M., September 2012. The genera Cryptaulax and Procerithium (Procerithiidae, Caenogastropoda) in the Early Jurassic of Patagonia, Argentina. Alcheringa 36, 325–339. ISSN 0311-5518.

New species of Cryptaulax and Procerithium (Procerithiidae, Caenogastropoda) are reported from the Lower Jurassic (Pliensbachian–Toarcian) marine deposits of west-central Chubut province, Argentinean Patagonia. Three new species are described: Cryptaulax redelii, Procerithium (Rhabdocolpus) patagoniensis and Procerithium (Infacerithum) nodosum; and the diagnoses of Cryptaulax damboreneae Ferrari and Procerithium nulloi (Ferrari) are emended. The new fossils derive from the Mulanguiñeu and Osta Arena formations and expand the known diversity of the Procerithiidae, extending its palaeobioeographical distribution into the South American Jurassic.  相似文献   
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The paper provides some empirical evidence of the effectiveness of the “open innovation” model in the life science cluster of Emilia Romagna (a region of Italy), comparing the network of R&D collaborative activities in public research organizations (PROs) and the network linked to R&D collaborative activities in private firms. By presenting the main results of a field research in the life science sector in Emilia Romagna, we are contributing to the recent debate focused on the crises of the old “closed innovation” model and the rise of the “open innovation” model. Our survey consists of both primary data deriving from face-to-face interviews with researchers and entrepreneurs, and secondary data extracted from the Internet, the PubMed database, and from the European Patent Office. Our work is based on the analysis of a representative sample of 30 research groups in PROs, 2173 scientific articles published by the interviewed scientists, and a representative sample of 78 private firms.  相似文献   
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The palynoflora of surface samples of glacial deposits from the Guandacol Formation in the Cerro Bola area of the Argentinian Paganzo Basin is documented. The existence of glacial related diamictites in this area has been previously ignored. The fossiliferous levels are located in section B of the formation, which corresponds to the earlier stages of deglaciation. The assemblage contains abundant monosaccate pollen grains whose global incoming is not older than early Namurian (Middle Carboniferous). Many species of this palynoflora are present in equivalent stratigraphic sequences of Argentina and can be referred to Sub-biozone A of the Raistrickia densa-Convolutispora muriornata Biozone (Namurian-Stephanian). New species described here are Cyclogranisporites rinconadensis and Tricidarisporites gutii.  相似文献   
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This paper examines young children’s concepts of nature, paying attention to the role played by types of daily experiences with nature on 832 children’s constructions of the natural world. We observed the roles of three types of experiences, as determined by the children’s place of residence (urban, rural mountain range, and rural agricultural) in Spain. Participants wrote what they thought about when hearing the word ‘nature’. Content analysis revealed a conceptual structure formed with four underlying and interconnected themes: (1) natural and non-natural elements, (2) the human–nature relationship, (3) emotional experience of nature, and (4) actions in natural settings. The type of daily experiences with nature (i.e. urban, rural mountain range, and rural agricultural) accounted for variability in children’s concept of nature. These results reinforce the importance of considering the role played by personal and situational characteristics in shaping children’s constructions of the natural world.  相似文献   
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In a comparative analysis, it is possible to discuss how sambaqui and kaizuka appear as objects of scientific investigation and also as part of the social imaginary and the cultural landscape. Archaeology, in its trajectory as a scientific field, is influenced or even directed by the different moments of construction of a national identity and discourse. While in Brazil there is a clear cut between the past and the building of a nation, situating sambaqui in the realm of the other, in Japan, the continuum from a past beyond records encompasses and situate the kaizuka within the social imaginary as part of the national narrative.  相似文献   
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