Considered as an artistic medium, airwaves are not neutral, nor are they immaterial. The decision to broadcast is linked to the decision to activate electronic circuits. Radio holds both propagandistic and subversive potentials. But even the most experimental broad- or webcasts rely on electronic or digital technologies. Thus, responsible radio productions cannot shy away from a self-critical, and political positioning in this regard. What political implications does it have for radio art that transmission rests on a system of energy-consuming technologies? This question calls for a theorization that nuances the idea of podcasting as an ephemeral and intimate medium. This article proposes the term weightless infrastructures in rethinking satellites as atmospheric, free-floating and free-falling technological infrastructures. This notion is abbreviated and used interchangeably with the following terms: weightless technology, weightless hardware and free-floating infrastructure.

Maternal pre-pregnancy body mass index is positively associated with offspring obesity, even at adulthood, whereas breastfeeding decreases the risk of obesity. The present study was aimed at assessing whether breastfeeding moderates the association of maternal pre-pregnancy body mass index with offspring body composition at adulthood, using data from 3439 subjects enrolled in a southern Brazilian birth cohort. At 30 years of age, maternal pre-pregnancy body mass index was positively associated with offspring prevalence of obesity, abdominal obesity, as well as body mass index and fat and lean mass index. Breastfeeding moderated the association of maternal pre-pregnancy obesity with offspring adiposity at 30 years of age. For those breastfed<6 months, body mass index was 4.13 kg/m2 (95% confidence interval: 2.98; 5.28) higher among offspring of obese mothers, in relation to offspring of normal weight mothers, whereas among those breastfed≥6 months the magnitude of the difference was small [2.95 kg/m2 (95% confidence interval: 1.17; 4.73)], p-value for interaction = 0.03. Concerning obesity, among those who had been breastfed < 6 months, the prevalence of obesity was 2.56 (95% confidence interval: 1.98; 3.31) times higher among offspring of obese mothers. On the other hand, among those who were breastfed ≥ 6 months, the prevalence of obesity was 1.82 (95% confidence interval: 1.09; 3.04) times higher among offspring of obese mothers. Therefore, among overweight mothers breastfeeding for more than 6 months should be supported, as it may mitigate the consequences of maternal overweight on offspring body composition.

Both cortical and parasympathetic systems are believed to regulate emotional arousal in the service of healthy development. Systemic coordination, or coupling, between putative regulatory functions begins in early childhood. Yet the degree of coupling between cortical and parasympathetic systems in young children remains unclear, particularly in relation to the development of typical or atypical emotion function. We tested whether cortical (ERN) and parasympathetic (respiratory sinus arrhythmia [RSA]) markers of regulation were coupled during cognitive challenge in preschoolers (N = 121). We found no main effect of RSA predicting ERN. We then tested children’s typical and atypical emotion behavior (context-appropriate/context-inappropriate fear, anxiety symptoms, neuroendocrine reactivity) as moderators of early coupling in an effort to link patterns of coupling to adaptive emotional development. Negative coupling (i.e., smaller ERN, more RSA suppression or larger ERN, less RSA suppression) at age 3 was associated with greater atypical and less typical emotion behaviors, indicative of greater risk. Negative age 3 coupling was also visible for children who had greater Generalized Anxiety Disorder symptoms and blunted cortisol reactivity at age 5. Results suggest that negative coupling may reflect a maladaptive pattern across regulatory systems that is identifiable during the preschool years.

As a medium for information, entertainment and communication, radio had taken precedence over television for decades, at least in terms of its accessibility in all households. Television and later the internet never completely annulled its aural condition, while its form altered to keep up with developments in terms of asynchrony or subject areas. Today it is considered the predominantly ‘cool medium’. Recent developments in television and the internet’s ways of operating render it a more detached medium than the alternative, given that a medium can change ‘temperature’ over time depending on the use (Levinson 2001: 108). But what about its accessibility to d/Deaf and Hard-of-hearing groups? Are these communities excluded by default from radio programmes and artistic creation through radiophonic media? In this article I analyse a case study, ‘Tangible Radio – Class on Air’ workshop, as part of B-AIR Creative Europe programme, as well as the convergences of sound art and the deaf experience in terms of co-creation, participation and educational processes. I will argue that radio as a medium can very successfully include the d/Deaf and Hard-of-hearing communities if relevant methodologies and technologies are encompassed to its processes.

This paper concerns the $L^4$ norm of Littlewood polynomials on the unit circle which are given by

$$ \begin{align*}q_n(z)=\sum_{k=0}^{n-1}\pm z^k;\end{align*} $$

$\{-1,1\}$

$$ \begin{align*}||q_n||_4^4=\frac{1}{2\pi}\int_0^{2\pi}|q_n(e^{i\theta})|^4 d\theta.\end{align*} $$

$||q_n||_4/\sqrt {n}\rightarrow \sqrt [4]{2}$

$n\to \infty $

We investigate the convergence rate of multi-marginal optimal transport costs that are regularized with the Boltzmann–Shannon entropy, as the noise parameter $\varepsilon $ tends to $0$. We establish lower and upper bounds on the difference with the unregularized cost of the form $C\varepsilon \log (1/\varepsilon )+O(\varepsilon )$ for some explicit dimensional constants C depending on the marginals and on the ground cost, but not on the optimal transport plans themselves. Upper bounds are obtained for Lipschitz costs or locally semiconcave costs for a finer estimate, and lower bounds for $\mathscr {C}^2$ costs satisfying some signature condition on the mixed second derivatives that may include degenerate costs, thus generalizing results previously in the two marginals case and for nondegenerate costs. We obtain in particular matching bounds in some typical situations where the optimal plan is deterministic.

This article aims to contribute to the elucidation of the nature of inquiry. I start with some common desiderata for any theory of inquiry. I then categorize inquiry as a structured process. By focusing on its essential components, I advance a new characterization of inquiry as a combination of questioning attitudes guiding actions. Finally, I turn to the recent objection that questioning attitudes are not necessary for inquiry. I argue that inquiry is a structured process essentially constituted by questioning attitudes having two precise functional roles, initiating and guiding the deployment of cognitive capacities towards an epistemic goal.

Grey seals from both the Atlantic and Baltic Sea subspecies are recovering from dramatic declines and recolonising former ranges, potentially leading to overlapping distributions and an emerging subspecies transition zone in Kattegat between Denmark and Sweden. The two subspecies have asynchronous moulting and pupping seasons. We present aerial survey data from 2011 to 2023 in Danish Kattegat during the Atlantic subspecies' moulting (March–April) and pupping (December–January) seasons, as well as the Baltic subspecies' moulting season (May–June). During the Atlantic subspecies' peak moulting season, 82% of the grey seals were recorded north of the island of Læsø (N57°18′, E11°00′). In contrast, during the Baltic moulting season in those years, only 9% of the grey seals were recorded here. This indicates a predominance of Atlantic grey seals in the north and Baltic grey seals in central and southern Kattegat. In 2022 and 2023, three pups were recorded around Læsø during early January, which coincides with the pupping season of northern Wadden Sea grey seals. Previously, pups have been recorded in the same locations during the Baltic pupping season, which demonstrates overlapping breeding ranges. Grey seals are known to have plasticity in the timing of pupping indicated by a west to east cline of progressively later pupping in the eastern North Atlantic. Historical sources document that the Baltic pupping season in Kattegat was earlier than it has been in recent years. Thus, the expanding ranges may be associated with convergence of Atlantic and Baltic subspecies' pupping seasons and potential hybridisation in this emerging transition zone.

An apparent antagonism exists between fundamentality-focused mainstream metaphysics such as naturalized metaphysics—a metaphysics inspired and constrained by the findings of our best science—and feminist metaphysics whose subject matter is typically non-fundamental social reality. Taking Karen Barad's agential realism as a case study, this paper argues that these may not be in conflict after all. Agential realism is a metaphysical framework founded on quantum mechanics which shares the characteristic features of naturalized metaphysics. But Barad finds warrant to extend the scope of agential realism all the way to theorizing about our lifeworld as exemplified by her profound influence on feminist new materialism. Thus, this case study indicates that there does not have to be a division between fundamental and feminist metaphysics. The broad intended scope of agential realism is challenged by the success of Newtonian mechanics as an approximation of quantum mechanics, but certain aspects of agential realism promise to be robust under such approximation. If this is so, then Barad provides us with a metaphysics that is naturalized, fundamental, and feminist all at once.

Why is China's household registration system so resilient, and why are migrant workers consistently excluded from equal urban welfare? By disaggregating the hukou and land components of the rural–urban dualist regime, this article argues that dualist land ownership, formalized in China's 1982 Constitution, perpetuates the hukou system and unequal welfare rights. On the one hand, dualist land ownership results in an abundance of low-cost, informal housing in urban villages. This reduces the cost of short-term labour reproduction and diminishes migrants’ demands for state-defined urban rights. On the other hand, dualist land ownership enables local governments to amass significant revenues from land sales. The prominence of land-based revenues prompts local governments to link urban welfare rights with formal property ownership and residency, obstructing substantive reforms to the hukou system. For comparison, this article highlights Vietnam, a communist country with a unitary land ownership system, which has made greater strides in reforming its household registration system.

Let G be a finite group. A subgroup A of G is said to be S-permutable in G if A permutes with every Sylow subgroup P of G, that is, $AP=PA$. Let $A_{sG}$ be the subgroup of A generated by all S-permutable subgroups of G contained in A and $A^{sG}$ be the intersection of all S-permutable subgroups of G containing A. We prove that if G is a soluble group, then S-permutability is a transitive relation in G if and only if the nilpotent residual $G^{\mathfrak {N}}$ of G avoids the pair $(A^{s G}, A_{sG})$, that is, $G^{\mathfrak {N}}\cap A^{sG}= G^{\mathfrak {N}}\cap A_{sG}$ for every subnormal subgroup A of G.

This essay argues that scrofula was one of several disorders, including gout, rickets, and venereal disease, that were ‘rebranded’ as hereditary in response to broader cultural changes that took place during the Restoration and eighteenth century in England. While the purposes of scrofula’s recategorisation were more political than medical, they resulted in this heretofore relatively obscure childhood ailment assuming a new prominence within both medical and popular discourses of the period. Scrofula became both emblem and proof of the links between sexual promiscuity, financial profligacy, and physiological degeneration, its symbolic status reinforced by the legal and moral language used to model processes of hereditary transmission. By likening the inheritance of scrofula to the inheritance of original sin—or, more commonly, to the inheritance of a ‘docked entail’ or damaged estate—eighteenth-century writers and artists not only made this non-inherited ailment into a sign of catastrophic hereditary decline; they also paved the way for scrofula to be identified as a disease of aristocratic vice, even though its association with crowded, unsanitary living conditions likely made it more common among the poor. By the same token, financial models of disease inheritance facilitated a bias toward paternal transmission, with scrofula often portrayed as passing, like a title or an estate, from father to son rather than from mother to daughter.

Studying the transformation of France’s social security system between 1970 and 2020 reveals a recomposition of the power of unelected governmental elites. The institutionalization of a group of “welfare elites” characterized by a new sociological profile (social background and career paths) has led to a reshaping of policy governance (“Iron Triangle”). These High civil servants have carried out a program of “sustainable social welfare,” reinforcing state interventionism in health and social insurance policies. In the context of this program’s implementation, they have developed the role of custodians of state policies. This strengthening of the French state’s capacity sheds new light on the question of its reconfiguration.

This article deals with the goals, practices, and transformations of collaborative research that emerged between and within bureaucratic and bourgeois models of science organization in the late Habsburg monarchy. It offers novel insights into the political, social, and epistemic dimensions of public engagement in research, and evaluates the frameworks, profit expectations, and challenges involved. As will be exemplified by joint undertakings in the High Alps, the “Orient,” and the Adriatic Sea, private-public partnerships in the form of scientific societies or institutional alliances assumed vital functions. Their stakeholders volunteered for large-scale research projects, coordinated and funded infrastructure such as field stations, research vessels, or collecting expeditions, and became driving forces in establishing new forms of intra-imperial and cross-border collaboration. As such, scientific societies are useful indicators for understanding science-related developments and for illuminating the tensions between imperialism, (inter)national aspirations, and civil-society building. Based on sources from the archives of the k.k. Meteorological Society, the Natural Scientific Oriental Society, and the Adriatic Society, this article will analyze scientific collaboration as a purposeful and power-related interaction process, oriented toward mutual benefits, that took place on three levels: between state-owned research facilities and private societies, between bureaucrats and bourgeois, and between scientists and “non-professionals.”