Geophysical and Archaeological Investigation of the Survivor‐Camp of the Antelope (1783) in the Palau Islands,Western Pacific

Survivor‐camps were an unavoidable and particular category of terrestrial shore‐camp when European scientific, mercantile and imperial interests began to impinge significantly on the islands of the Pacific Ocean. In 1783 the packet Antelope was wrecked in the Palau Islands and the account of the ‘new’ archipelago, first published in 1788, was, after Cook's voyages, the most popular Pacific text in the late‐18th century. The results of archaeological and geophysical research at the camp reported here contribute to a nuanced account of early culture contact and of survivor‐camp behaviour, demonstrating the significance of shore‐camp remains for understanding maritime societies. © 2010 The Authors     

Variability in the marine radiocarbon reservoir effect in Muscat (Sultanate of Oman) during the 4th millennium BC: reflection of taphonomy or environment?

Radiocarbon (¹⁴C) dating of archaeological coastal sites in arid areas is challenging because of the relative rarity of datable terrestrial artefacts. Marine artefacts provide an abundant source of carbon, which is technically easy to date but radiocarbon dates need to be corrected for local variations from the global average marine ¹⁴C reservoir age (ΔR). In archaeological sites, this is usually done by the comparison of the ¹⁴C age measured between coeval pairs of terrestrial and marine samples that have no inbuilt age. Here, we present the results of a study that aims to determine the local ¹⁴C marine reservoir effect (MRE) along the Eastern coast of the Arabic Peninsula during the 4th millennium BC, a period of important cultural, demographic and social changes in this region. Previous estimates of the MRE based on associated shells and charcoal vary by about 400 ¹⁴C yr and this is a serious limitation to the establishment of a precise chronology in the area based on marine material. In order to maximize the chances to obtain contemporaneous terrestrial–marine pairs for a new assessment of the MRE in this region we dated charcoal, shells, fish and turtle bones as well as human bones found in three recently and carefully excavated graves from Ra’s al-Hamra RH5. A large variability was found between charcoals (up to 240 ¹⁴C yr) and marine specimens (up to 785 ¹⁴C yr) present in the same grave. This variability was attributed to inbuilt ages, diagenesis and possibly environmental factors although taphonomic processes cannot be excluded. We discarded the oldest charcoals and used the ¹⁴C ages obtained on human apatite as a cut-off value to remove the marine outliers. Two out of the three graves provided terrestrial and marine assemblages which did not differ statistically and were used to calculate an average MRE of 645 ± 40 ¹⁴C yr (ΔR = 255 ± 55 ¹⁴C yr). This value is consistent with previous estimates based on the ¹⁴C dating of marine sediments off Pakistan and suggests stability of the MRE in the Arabian Sea since the 4^th millennium BC.     

The Political Order and Corporal Coercion in Kanak Societies of the Past (New Caledonia)

Till the mid-19th century, in Kanak institutions in north central Grande Terre (New Caledonia), chiefs received their titles from the ‘masters of the land’. To add material and symbolic power to their preeminent position, they received human sacrifices, as one of their kinspeople offered his/her body; and they waged warfare outside the chiefdom. Their fame was proportional to control over human bodies. Based on historical sources and ethnographic information gathered in the field, the effort is made to see how these precolonial cannibalistic practices fit into political systems. A comparison is made between Kanak chiefs and Melanesian big men and great men.     

Oxygen and strontium isotopes as provenance indicators of fish at archaeological sites: the case study of Sagalassos,SW Turkey

In this paper, we investigate the potential use of oxygen and strontium isotope ratios (δ¹⁸O_p and ⁸⁷Sr/⁸⁶Sr) measured in archaeological fish enamel as provenance indicators. δ¹⁸O_p and ⁸⁷Sr/⁸⁶Sr were measured in a suite of archaeological carp remains recovered from the Anatolian townsite of Sagalassos dated to the Early Byzantine period (AD 450–650) and compared to that of modern fish, river and lake waters from the Anatolian region. We used sequential leaches in weak acetic acid to remove diagenetic Sr from fossil tooth enamel, monitoring the effectiveness of this approach by measuring the Sr/Ca ratios of the leachates via an isotope dilution thermal ionization mass spectrometry method (ID-TIMS). δ¹⁸O_p values mostly excluded a riverine origin. ⁸⁷Sr/⁸⁶Sr ratios of one fish overlapped with the ⁸⁷Sr/⁸⁶Sr signatures of two lakes in the Anatolian region, and at least one lake (Gölcük) could be removed as a candidate owing to a very distinctive ⁸⁷Sr/⁸⁶Sr signature not found in any of the fish remains. Most of the tooth samples analyzed could not be assigned a precise geographical origin since the ⁸⁷Sr/⁸⁶Sr ratios measured in enamel did not match that of any of the local lakes selected as potential origin. This result suggests that carp may have originated from lakes that have not yet been sampled, although this conclusion is not supported by other archaeological evidence. Alternatively, the lack of correspondence between lakes and fish Sr isotope ratios highlights several possible sources of uncertainties including spatial heterogeneity in ⁸⁷Sr/⁸⁶Sr ratio within a lake, the contribution of dietary strontium to the ⁸⁷Sr/⁸⁶Sr ratio of fish tooth enamel, and post-mortem alteration of the tooth Sr isotope signal during fossilization. In spite of the high precision of the strontium isotope analyses and the wide range of variation in the surface waters of the Anatolian lakes and rivers, this method may remain limited to distinguishing between lakes situated in regions of bedrock of very distinct age and geology until these sources of uncertainty are more fully investigated.     

Engineers and engineering history: problems and perspectives

In past decades, the history of engineers and engineering has seen spectacular development. Despite this, major interrogations are still left unanswered. This article examines some of these pending questions, like the type of relation that exists between engineering knowledge and practice, or the complex articulation between continuities and discontinuities that characterizes engineering history. Finally, the article proposes to focus on engineering rationality as a possible way to address some of these issues. In order to do so, engineering rationality is not to be confused with some kind of generic and abstract logic. On the contrary, it must be historicized.     

Human occupation in South America by 20,000 BC: the Toca da Tira Peia site,Piauí, Brazil

When and how did the first human beings settle in the American continent? Numerous data, from archaeological researches as well as from palaeogenetics, anthropological and environmental studies, have led to partially contradictory interpretations in recent years, often because of the lack of a reliable chronological framework. The present study contributes to the establishment of such a framework using luminescence techniques to date a Brazilian archaeological site, the Toca da Tira Peia. It constitutes an exemplary case study: all our observations and measurements tend to prove the good integrity of the site and the anthropological nature of the artifacts and we are confident in the accuracy of the luminescence dating results. All these points underline the importance of the Toca da Tira Peia. The results bring new pieces of evidence of a human presence in the north-east of Brazil as early as 20,000 BC. The Toca da Tira Peia thus contributes to the rewriting of the history of the peopling of the American continent.     

Non-response error versus measurement error: A dilemma when using mail questionnaires for election studies

One strategy used to increase response rates when using mail questionnaires is to prolong the period of data collection. This paper examines the consequences of such a strategy on the Australian Election Studies (1996–2004). The findings suggest that such a strategy has both positive and negative consequences on the overall quality of the survey. On the one hand, prolonging the period of data collection decreases the non-response error by providing a somewhat better representation of hard-to-reach groups of respondents such as the young, full-time employed, and those disinterested in politics. On the other hand, prolonging the period of data collection increases the risk of measurement error. The evidence suggests that post-election events significantly impact on respondents' political opinions. More specifically, the longer respondents wait to return their questionnaire after the elections the more positive their opinions of winning leaders, the more negative their opinions of defeated leaders and the more distant they feel with the policies of defeated parties. Australian investigators thus face a dilemma in deciding when to stop the fieldwork period for their mail election surveys: they must choose between non-response error and measurement error.