In the Sámi worldview, reindeer herders perceive the herd as a social unit consisting of individuals who vary in characteristics and social roles. Age, sex, physical appearance, personality and other social roles are acknowledged and recognized by the herders, who maintain their relationships with animals in different ways within herding tasks. Archaeological data, too, show that ancient reindeer herders were in contact with different kinds of reindeer, including wild reindeer, working reindeer and ‘ordinary’ herd reindeer. This paper uses zooarchaeological and ethnoarchaeological perspectives to examine the variety of life on the hoof at two fourteenth- to seventeenth-century Sámi sites in northern Finland. Archaeological data and zooarchaeological analyses will be used to assess hunting and herding practices as well as the characteristics of herd structure. Ultimately, the aim of this paper is to examine critically and characterize the variety of the relations prevailing between reindeer and ancient Sámi herders, thus contributing both to the study of culturally specific ontologies and the analytical possibilities of archaeological research to understand such ontologies.

The present study examined developmental pathways beginning in pregnancy and extending into early childhood that contribute to child emotion regulation (ER). Leveraging data from a sample of 157 mixed-sex couples, who largely identified as White and non-Hispanic/Latino, and their typically developing children (50.3% female), we examined whether parental emotion-related socialization behaviors (ERSBs; i.e., general emotion talk, specific supportive and nonsupportive responses to children’s negative emotions) at preschool age (child age 3) mediated the link between parental trauma-related distress spanning pregnancy to toddler age (2-years postpartum) and child maladaptive ER at the transition to formal schooling (age 5). Chronic elevations in maternal trauma-related distress contributed directly and indirectly to child maladaptive ER at age 5, and maternal nonsupportive responses emerged as a potential pathway driving the intergenerational transmission of emotion dysregulation. In contrast, paternal trauma-related distress neither undermined ERSBs nor contributed to child maladaptive ER. Instead, chronic elevations in paternal trauma-related distress predicted more supportive responses to children’s negative emotions. Results highlight the utility of repeated screening for trauma-related distress and prevention and early intervention efforts targeting parental trauma-related distress and nonsupportive responses to children’s negative emotions. These strategies may help promote adaptive ER at school entry and reduce risk for later psychopathology.

This article offers new insights on Africa-China relations and discourses of authenticity and intellectual property by examining the trade and consumption of Chinese-made fashion goods in Mozambique from an ethics perspective. Ethnographic fieldwork in southern Mozambique between 2017 and 2024 shows that many traders and consumers see Chinese counterfeits as beneficial and desirable, enabling them to participate in fashion systems from which they have long been excluded. For traders and consumers in Mozambique, it is ethically right to supply and purchase functional, adequate-quality, and aesthetically pleasing counterfeits. These goods are evaluated less in terms of legality than through pragmatic, everyday judgments about quality, care, and access. The Mozambican case complicates dominant narratives of Chinese-African trade and global intellectual property governance, showing how ethics of access and quality shape everyday globalization.

Kids SIPsmartER is a school-based behavioural intervention for rural Appalachia middle school students with an integrated two-way short message service (SMS) strategy for caregivers. When tested in a cluster randomized controlled trial, the intervention led to significant improvements in sugar-sweetened beverage (SSB) consumption among students and caregivers. This study explores changes in secondary caregiver outcomes, including changes in caregiver SSB-related theory of planned behaviour constructs (affective attitudes, instrumental attitudes, subjective norms, perceived behavioural control, and intentions), parenting practices, and the home environment. Participants included 220 caregivers (93% female, 88% White, 95% non-Hispanic, mean age 40.6) in Virginia and West Virginia at baseline and 7 months post-intervention. Relative to control caregivers (n = 102), intervention caregivers (n = 118) showed statistically significant improvements in instrumental attitudes (Coef.= 0.53, 95% CI [0.04, 1.01], p = 0.033), behavioural intentions (Coef.=0.46, 95% CI [0.05, 0.88], p = 0.027), parenting practices (Coef. = 0.22, 95% CI [0.11, 0.33], p < 0.001), and total home SSB availability (Coef. = –0.25, 95% CI [–0.39, –0.11], p < 0.001), with specific improvements for sweetened juice drinks (Coef. = –0.18, 95% CI [–0.35, –0.01], p = 0.043) and regular soda/soft drinks (Coef. = –0.31, 95% CI [–0.55, –0.07], p = 0.010). In contrast, there were no significant between group changes for affective attitudes, subjective norms, or perceived behavioural control. Our findings highlight future research areas and fill gaps in intervention literature. This study is among the few to develop and evaluate a scalable, theory-based caregiver SMS component in a rural, school-based intervention. Combined with evidence that Kids SIPsmartER improved SSB behaviours, our results emphasize the potential of theory-guided SMS interventions to impact SSB-related outcomes.

Trial registration: Clincialtrials.gov: NCT03740113.

Crises of confidence in the relationship between academic research and broader society has led to an explosion in interest in community-led research methods, such as codesign, community-engaged research, and participatory action research. These methods are intended as a way of reconnecting scholarship and society during a period of intense polarization, but they remain far from mainstream. This reflection considers whether community organizing, and in particular the kind of approach initiated by Saul Alinsky that borrowed from a scholarly method at the University of Chicago in the 1920s and is now practiced in more than 99 cities around the world, can offer a practical guide for scholars keen to resolve this challenge. It outlines three elements of what is labeled the “relational method” that build on the philosophical and practical tools of community organizing: relationality, power, and uncertainty. It suggests that the principles and practices of the relational method can not only strengthen community-led research practice, but, if we take a lead from community organizing and recognize the importance of the relationship between the practice of social change and the institutions that seek to produce it, it can also help us to more clearly see how the diffusion of community-led research can align with the broader goal of creating more community-engaged universities.

We study the effect of democratization on stock market liquidity across Spanish political regimes between 1914 and 1936. We use press news related to mass mobilization in favor of political and redistributive reforms to build a monthly index of political uncertainty, and test its impact on different measures of stock liquidity based on daily data for the Madrid Stock Exchange. Our findings suggest that shifts in political uncertainty decreased trading and increased its price impact after the transition to democracy in 1931, but not in the socio-political mobilization that shook the monarchic regime during World War I and its aftermath. The results are robust to controls for other sources of political, economic and international uncertainty. Our evidence suggests that potential challenges to the socio-economic status quo became more credible after the regime change of 1931 and increased the perceived cost of democratization for wealthy elites. This generated a situation of radical uncertainty about future asset returns, leading to a persistent deterioration of investor participation and market liquidity. Contemporary financial chronicles support this interpretation.

The wake of a horizontal-axis wind turbine was studied at a Reynolds number of $Re_D=4\times 10^6$ with the aim of revealing the effects of the tip speed ratio, $\lambda$, on the wake. Tip speed ratios of $4\lt \lambda \lt 7$ were investigated and measurements were acquired up to 6.5 diameters downstream of the turbine. Through an investigation of the turbulent statistics, it is shown that the wake recovery was accelerated due to the higher turbulence levels associated with lower tip speed ratios. The energy spectra indicate that larger broadband turbulence levels at lower tip speed ratios contributes to a more rapidly recovering wake. Wake meandering and a coherent core structure were also studied, and it is shown that these flow features are tip speed ratio invariant, when considering their Strouhal numbers. This finding contradicts some previous studies regarding the core structure, indicating that the structure was formed by a bulk rotor geometric feature, rather than by the rotating blades. Finally, the core structure was shown to persist farther into the near wake with decreasing tip speed ratio. The structure’s lifetime is hypothesised to be related to its strength relative to the turbulence in the core, which decreases with increasing tip speed ratio.

Early human cultural dynamics underpin the Plio-Pleistocene archaeological record and impact how we understand some of our earliest identifiable behaviours. One major outstanding question is whether Early Stone Age material culture represents a single lineage of cultural information, or did we ever lose the knowledge required to make stone tools? No single approach satisfactorily addresses this problem, but to date, objective analyses of temporal data have been absent from the conversation. Here, using a comprehensive database of dated African Oldowan archaeological sites, we demonstrate that there are no temporal breaks large enough, on a relative basis, to infer a loss of stone-tool-making cultural information. Therefore, alongside previously published data, we infer a continuous record of early human stone tool production in Africa from c. 3.3 to 1.5 million years ago. Stone tool-associated behavioural adaptations and evolutionary selective pressures were, therefore, likely to have been ever present during this period.

Martuwarra the Fitzroy River, is a living entity encompassing law, values, ethics and virtues who has laid the foundation for learning and self-regulation. Martuwarra foster peace, harmony and balance within a water system covering 93,829 square kilometres of the Western Australian Kimberley region. However, climate uncertainty as part of the unfolding metacrisis demonstrates the limitations of decades of colonial invasive development in the Kimberley. In this paper the authors illustrate Traditional Owner water knowledge, science and lived experiences as managers of the catchment from the beginning of time. Traditional Owner knowledge and practices, fine-tuned over thousands of years, carry water governance and management through First Law, the law of the land and not man. The authors advocate for this ancient knowledge to be learned by fellow citizens in the region, governments, industries and other parts of Australia, as it is essential to modernity. They propose a bicultural and bioregional governance model to create a better future for the greater good of all.