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While the ethics of care has considered the possibility that caring occurs for the environment, it often remains silent about the caregiving that humans receive from the environment. This essay suggests that ecological justice requires humans to consider themselves not only as ecological caregivers, but also as care receivers from more-than-human earth dwellers. The argument is built by first accounting for the diverse forms of care that humans receive from other-than-humans. The focus then turns to eco-feminist and eco-Marxist thought to denaturalize this care, highlighting how capitalist economies put other-than-humans to work and appropriate their efforts to maintain the world. The fact that they cannot demand a salary and that the commodification of life increases its depletion leads to an examination of how the conceptual recognition of more-than-human care can be translated politically. The article sketches how the political tensions at work in practices and conceptions of care outlined by feminist and indigenous thought could allow to engage more critically with environmental issues, notably by blending environmental humanities’ emphasis on affective dispositions and attachments towards other-than-humans, with materialist ambitions to highlight exploitation and invisible labor.
My comments focus on Proops’s treatment of the Paralogisms. I agree with many aspects of his discussion, including his views about the project of Rational Psychology and his analyses of how, exactly, the arguments of the Paralogisms are defective in form, but I disagree with his interpretation of the First Paralogism. I argue that the source of confusion that Kant diagnoses is not the grammatical distribution of ‘I’ as singular, but the fact that the I-representation is both empty and necessary for cognition.
When a cylinder is free to move along a transverse rectilinear path within a current, the vibrations developing with and without structural restoring force (SRF) noticeably deviate: if the elastic support is removed, their onset is delayed from a Reynolds number ($Re$, based on the body diameter and inflow velocity) value of approximately 20 to 30, and their peak amplitudes and frequency bandwidths are substantially reduced. The present study examines the influence of a curved path on this deviation by considering that the cylinder, mounted on an elastic support or not, is free to translate along a circular path whose radius is varied. The investigation is carried out numerically at $Re=25$ and $100$, i.e. subcritical and postcritical values relative to the threshold of $47$ that marks the onset of flow unsteadiness for a fixed body. The principal result of this work is that the behaviours of the flow–structure systems with and without SRF tend to converge under the effect of path curvature. Beyond a certain curvature magnitude, both systems explore the same vibration ranges and the presence or absence of SRF becomes indiscernible. This convergence is accompanied by an enhancement of the responses appearing without SRF. It is analysed in light of the evolution of the effective added mass which determines the subset of responses reached with SRF that remain accessible without SRF. The apparent continuity of the physical mechanisms between the subcritical- and postcritical-$Re$ values suggests that the convergence phenomenon uncovered here could persist at higher $Re$.
This paper studies the impact of technological progress on unemployment in a search-matching model with heterogeneous multiworker firms. In the model, some firms continue to reap rewards from new technologies over time and contribute to job creation, while other firms obsolesce and reduce their employment. Thus, the model captures an endogenous change in the aggregate composition of firms (the firm-composition effect). Considering this effect along with the two canonical effects—the capitalization and creative-destruction effects—I examine the importance of each through a simulation. The results show that the firm-composition effect explains almost all the variation in unemployment in the model, mainly through shrinking the number of obsolescing firms relative to surviving firms and increasing the aggregate technology adoption rate when technology progresses rapidly.
We quantified the amount of pollen carried by bats and birds visiting the flowers of cultivated and wild individuals of the endemic Agave cupreata in western Mexico and estimated the distance to which pollen was moved using diurnal/nocturnal inflorescence exclusions and fluorescent powders. There were no differences in the amount of pollen transported by bats and birds near cultivated and wild agaves, but overall, bats transported greater loads than birds. Nocturnal pollen movement was more frequent, and the maximum distance recorded was 630 m (diurnal and nocturnal), with no transfer between cultivated and wild plants. Bats seem to provide a greater pollination service than birds in our focal anthropized landscape. It is necessary to incorporate management practices into mezcal production that ensure enough food for the wide array of animal species using this resource, which in turn will help to maintain the pollination service.
We consider the range inclusion and the diagonalization in the Jordan algebra $\mathcal {S}_C$ of C-symmetric operators, that are, bounded linear operators T satisfying $CTC =T^{*}$, where C is a conjugation on a separable complex Hilbert space $\mathcal H$. For $T\in \mathcal {S}_C$, we aim to describe the set $C_{\mathcal {R}(T)}$ of those operators $A\in \mathcal {S}_C$ satisfying the range inclusion $\mathcal {R}(A)\subset \mathcal {R}(T)$. It is proved that (i) $C_{\mathcal {R}(T)}=T\mathcal {S}_C T$ if and only if $\mathcal {R}(T)$ is closed, (ii) $\overline {C_{\mathcal {R}(T)}}=\overline {T\mathcal {S}_C T}$, and (iii) $C_{\overline {\mathcal {R}(T)}}$ is the closure of $C_{\mathcal {R}(T)}$ in the strong operator topology. Also, we extend the classical Weyl–von Neumann Theorem to $\mathcal {S}_C$, showing that every self-adjoint operator in $\mathcal {S}_C$ is the sum of a diagonal operator in $\mathcal {S}_C$ and a compact operator with arbitrarily small Schatten p-norm for $p\in (1,\infty )$.
I respond to a challenge raised by Jordan Pascoe: Kant’s conception of obtaining full citizenship through working oneself up necessarily condemns some people to passive citizenship. I argue that we should not focus on work to establish universal full citizenship. Rather, a Universal Basic Income, an income paid regularly to everyone and without conditions, can secure everyone’s full citizenship. Moreover, I argue that such a scheme is more Kantian in nature than hitherto assumed.
Massive ground ice found in the Barrow Permafrost Tunnel at 3–7 m depths from the surface has been interpreted as an ice wedge and used to reconstruct early Holocene environmental changes. To better understand the development of this ground ice, we conducted radiocarbon dating for 34 samples of plant remains from the massive ground ice and underlying sediment layer. A significantly large gap in the measured radiocarbon ages (more than 24 ka) between massive ice and the underlying sediment layer throughout the tunnel profile suggested at least two possibilities. One is that the lower and older sediment layer had thrust upwards at the boundary between intruding ice wedge and adjacent sediment, and the growing ice had pushed the sediment sideways. Another is that erosional events had removed surface materials at about 12–36 ka BP (14–41 cal ka BP) before the overlaying sediment layer with massive ground ice developed. The overall distribution of radiocarbon ages from the massive ice supported the ice-wedge hypothesis as a formation mechanism, although our results showed several age inversions and large fluctuations. Dating of densely spaced samples revealed two ground-ice regions with similar ages around 11–11.5 and 10–10.5 ka BP divided by a relatively narrow region of transitional ages along the tunnel long-axis. This distribution may be explained by a possible misalignment between the sampling direction and the ice-wedge growth line or by intermittent ice growth with repeated cracking at more random locations than the classic ice-wedge growth model suggested.
David Chalmers argues that virtual reality is a genuine kind of reality. In one of its readings, this “virtual realism” states that virtual entities ontologically depend on real digital entities. This article explores that suggestion and offers a novel account of the dependence of the virtual on the digital. Drawing on Lynne Rudder Baker's theory of constitution, we contend that virtual objects should be seen as constituted by digital objects, when these are placed in certain favourable circumstances. We explore the rationale and implications of this view, which we see as a promising form of virtual realism.
This article examines the Young Socialists, a left-wing dissident circle of intellectuals from the last Soviet generation, and focuses on their contacts with Solidarność during 1980–81. These dissidents, located in Moscow and Minsk, interpreted the Polish strikes as the possible beginnings of a wider move to socialist reform in the Eastern Bloc. Using oral history and samizdat materials from the Russian and Polish archives and the former archives of Radio Free Europe, the article demonstrates how the Young Socialists’ interactions with Poland developed in the wider context of the transnational history of dissent in the Eastern Bloc at the turn of the 1980s. It argues that a combination of internationalist values and bloc-wide dissident solidarities caused socialist dissidents to view nationalist movements on the Soviet periphery and Eastern Europe as potential drivers of socialist reform on the eve of Perestroika.
We published a series of papers regarding the oldest turritellids, naticids, their paleoecological interaction, and gastropod biozonation, which are of Oxfordian in age, from the Jhura pond section, Kutch, western India. Recently, an Oxfordian age was challenged by Fürsich et al. (2023) and they argued for a Cenozoic age. The authors reproduced a local geological map based on regional data where the Jhura pond section sediments were overlying the Bhuj Formation. In the original regional data, there was no Bhuj Formation and the introduction of the Bhuj Formation served to show that Jhura pond section sediments were “allochthonous”. Other lines of argument against our conclusions (e.g., identification of associated bivalve fauna, foraminiferal assemblage, and geological context) were brought forward. There were additional inconsistencies, such as the reworking of Oxfordian fossils, in their comment/opinion pieces. The only hard evidence was the report of a microfaunal assemblage, but the taxa were identified at the generic level and most of the genera appear in the Jurassic or even earlier.
Here we provide detailed and concrete evidence explaining features at the Jhura pond section, such as the subvertical nature of the beds, the ooid-bearing lithologies, the presence of various Oxfordian fossils, the difference in turritellids, naticid assemblages, and differences in the diversity curves between the present beds and the lower Miocene Chhasra Formation of Kutch. Detailed paleoecological analyses (both gastropods and bivalves) speak for two paleocommunities. We, therefore, reiterate that the present Jhura pond section sediments are Oxfordian in age and validate all the interpretations and conclusions that we have made in our previous papers.
This paper explores how debates on wages for housework in the 1970s contribute to current discourses on redefining, redistributing, and revaluing care. More specifically, this paper asks: How does a rereading of the international Wages for Housework (WfH) campaign contribute to feminist degrowth debates on commoning care and a care income? In trying to answer this question, I revisit original literature and interpretations of WfH and show that, as a Marxist feminist political perspective, the aim of the campaign ventured beyond the monetization of care. Subsequently, I elaborate on the now divergent ideas of Selma James and Silvia Federici, two of the campaign's main founders, of how to re-actualize the transformative aim of the campaign. Their two proposals, namely, a care income and reproductive commons, are introduced, brought into conversation with each other, and critically discussed against the background of Nancy Fraser's distinction between affirmative and transformative strategies of transformation. Exploring the fertile tension between a care income and commoning care, I draw preliminary conclusions on what feminist degrowth can learn from WfH regarding a social-ecological transformation to a more socially just and ecologically sound economic system.
We are motivated by central bank responses to the rise in inflation in the aftermath of the coronavirus pandemic and investigate monetary policy behavior in advanced and emerging economies. We speak to the debate on whether the conduct of monetary policy in emerging economies is fundamentally different from that in advanced economies. We also address the issue of whether the common practice of using market rates (instead of policy rates) to proxy for the stance of monetary policy leads to different conclusions regarding the cyclicality of monetary policy in emerging economies. Using time series data for the G7 and EM7 countries, we show that the conventional wisdom that monetary policy in emerging economies is different from monetary policy in advanced economies still holds.
Electroencephalography is an accessible, portable, noninvasive and safe means of evaluating a patient’s brain activity. It can aid in diagnosis and management decisions for post-cardiac arrest patients with seizures, myoclonus and other non-epileptic movements. It also plays an important role in a multimodal approach to neuroprognostication predicting both poor and favorable outcomes. Individuals ordering, performing and interpreting these tests, regardless of the indication, should understand the supporting evidence, logistical considerations, limitations and impact the results may have on postarrest patients and their families as outlined herein.
We explore the transition to chaos in a prototypical hydrodynamic oscillator, namely a globally unstable low-density jet subjected to external time-periodic forcing. As the forcing strengthens at an off-resonant frequency, we find that the jet exhibits a sequence of nonlinear states: period-1 limit cycle $\rightarrow $ quasiperiodicity $\rightarrow$ intermittency $\rightarrow$ low-dimensional chaos. We show that the intermittency obeys type-II Pomeau–Manneville dynamics by analysing the first return map and the scaling properties of the quasiperiodic lifetimes between successive chaotic epochs. By providing experimental evidence of the type-II intermittency route to chaos in a globally unstable jet, this study reinforces the idea that strange attractors emerge via universal mechanisms in open self-excited flows, facilitating the development of instability control strategies based on chaos theory.
Kant’s position on the problem of free will can be perplexing and frustrating: all the real questions about human agential capacities or even about issues of moral imputability are empirical questions, which have empirical answers. But there remains a metaphysical or transcendental problem about the possibility of freedom, which is forever insoluble. Ian Proops’ discussion in The Fiery Test of Critique is to be commended for displaying the rare virtue of appreciating this last point and presenting Kant’s position about it accurately. The only questionable part has to do with the standard terminology – ‘determinism’, ‘libertarianism’, ‘compatibilism’, and ‘incompatibilism’. I argue that it would be better to say, as Kant does, and Proops also does most of the time, that practical freedom, hence transcendental freedom, must be presupposed whenever we act or even judge, but how freedom is possible is both unknowable and even incomprehensible to us.
Detecting factors causing the decline of wildlife populations provides essential knowledge for their effective conservation. Populations of Black Stork Ciconia nigra are decreasing in northern Europe; however, there are no detailed analyses of its survival, which frequently is a key demographic parameter affecting population dynamics in long-lived species. We used long-term data from re-sighted colour-ringed birds and satellite-tracked birds to estimate age- and sex-specific survival in a rapidly declining Black Stork population in the Baltic region at the northern end of the European range. Apparent survival (0.89) among colour-ringed birds older than one year was not significantly different from the previously reported estimates in Central Europe and the estimated real survival of GPS-tracked birds (0.77). However, the apparent survival of first-year (1y) birds was only 0.04, which is remarkably lower than earlier estimates in Central Europe. The real survival of GPS-tracked 1y birds was somewhat higher (0.11), but still much lower than estimates in other long-lived species. Apparent survival was three times lower in 1y females (0.013) than 1y males (0.045); this could be explained in part by a higher mean natal dispersal of females (189.1 km), compared with that of males (72.0 km), as well as by sex-specific mortality due to poor foraging conditions. There were no significant differences in apparent survival between the male and female storks older than one year. To better address the population decline, further research is needed to determine the factors causing low survival in young Black Storks, including the roles of food availability and climate change.
Darcy et al. (2016) examined the relationship between language abilities and general cognition, or specifically, how inhibitory control might relate to L2 speech perception and production. Given that their findings unexpectedly indicated a stronger relationship between inhibitory control and perception in comparison to inhibitory control and production, and because inhibitory control was measured using a single, retrieval-induced inhibition task, the current study is a close replication with the inclusion of two additional tasks of intentional inhibition: the Stroop task and the Simon task. A comparison of the descriptive statistics for the tests of phonological processing and retrieval-induced inhibition between the initial study and current replication indicated negligible differences between the two participant samples. However, results of the partial correlation analyses in the current replication did not indicate clear relationships between phonological variables and inhibitory control. Possible explanations for the different patterning of results and implications for future replications are discussed.
Invasive haemodynamics are often performed for initiating and guiding pulmonary artery hypertension therapy. Little is known about the predictive value of invasive haemodynamic indices for long-term outcomes in children with pulmonary artery hypertension. We aimed to evaluate invasive haemodynamic data to help predict outcomes in paediatric pulmonary artery hypertension.
Methods:
Patients with pulmonary artery hypertension who underwent cardiac catheterisation (2006–2019) at a single centre were included. Invasive haemodynamic data from the first cardiac catheterisation and clinical outcomes were reviewed. The combined adverse outcome was defined as pericardial effusion (due to right ventricle failure), creation of a shunt for pulmonary artery hypertension (atrial septal defect or reverse Pott’s shunt), lung transplant, or death.
Results:
Among 46 patients with a median [interquartile range (IQR)] age of 13.2 [4.1–44.7] months, 76% had CHD. Median mean pulmonary artery pressure was 37 [28–52] mmHg and indexed pulmonary vascular resistance was 6.2 [3.6–10] Woods units × m2. Median pulmonary artery pulsatility index was 4.0 [3.0–4.7] and right ventricular stroke work index was 915 [715–1734] mmHg mL/m2. After a median follow-up of 2.4 years, nine patients had a combined adverse outcome (two had a pericardial effusion, one underwent atrial level shunt, one underwent reverse Pott’s shunt, and six died). Patients with an adverse outcome had higher systolic and mean pulmonary artery pressures, higher diastolic and transpulmonary pressure gradients, higher indexed pulmonary vascular resistance, higher pulmonary artery elastance, and higher right ventricular stroke work index (p < 0.05 each).
Conclusion:
Invasive haemodynamics (especially mean pulmonary artery pressure and diastolic pressure gradient) obtained at first cardiac catheterisation in children with pulmonary artery hypertension predicts outcomes.