This article delves into the historical trajectory of Lotta Femminista, a pioneering separatist feminist network in Italy during the early 1970s, and its significant influence on feminist discourse, particularly concerning the advocacy for wages for housework. Through an examination of the group's development within the broader context of the Italian women's movement, this study illuminates the theoretical foundations and practical activism associated with the perspective on wages for housework. Drawing on archival documents and personal accounts, the essay investigates how Lotta Femminista depicted domestic labour as a form of women's exploitation within a Marxist framework. Despite facing criticism and opposition, Lotta Femminista's ideas resonated globally, leaving a legacy in feminist theory and activism. Through its engagement with issues such as the refusal to work and the recognition of unpaid care as a site of capitalist exploitation, Lotta Femminista contributed to the broader history of feminism in Italy and beyond.

We identify a class of smooth Banach *-algebras that are differential subalgebras of commutative C*-algebras whose openness of multiplication is completely determined by the topological stable rank of the target C*-algebra. We then show that group algebras of Abelian groups of unbounded exponent fail to have uniformly open convolution. Finally, we completely characterize in the complex case (uniform) openness of multiplication in algebras of continuous functions in terms of the covering dimension.

For a partially specified stochastic matrix, we consider the problem of completing it so as to minimize Kemeny’s constant. We prove that for any partially specified stochastic matrix for which the problem is well defined, there is a minimizing completion that is as sparse as possible. We also find the minimum value of Kemeny’s constant in two special cases: when the diagonal has been specified and when all specified entries lie in a common row.

Attention to ideological polarization in the Circuit Courts of Appeals has surged in recent years. However, no valid cross-circuit cardinal measure of polarization has been established. The lack of a valid cross-circuit measure of polarization has limited scholar’s ability to evaluate broad trends in judicial polarization and address how ideological polarization influences judicial decision-making. To address this, I develop a new measure of ideological polarization for each of the Circuit Courts of Appeals between 1953 and 2022 using the polarization framework established by Esteban and Ray (1994). I then theorize that in order to uphold the norms of collegiality, more polarized courts are likely to take strategic actions to avoid breaking consensus. I show that polarized courts deliberate longer before releasing opinions, are less likely to give cases with a full hearing, and are less likely to publish justified and signed opinions. These results have implications for the efficiency, efficacy, and authority of the Circuit Courts of Appeals.

We study a skew product transformation associated to an irrational rotation of the circle $[0,1]/\sim $. This skew product keeps track of the number of times an orbit of the rotation lands in the two complementary intervals of $\{0,1/2\}$ in the circle. We show that under certain conditions on the continued fraction expansion of the irrational number defining the rotation, the skew product transformation has certain dense orbits. This is in spite of the presence of numerous non-dense orbits. We use this to construct laminations on infinite type surfaces with exotic properties. In particular, we show that for every infinite type surface with an isolated planar end, there is an infinite clique of $2$-filling rays based at that end. These $2$-filling rays are relevant to Bavard and Walker’s loop graphs.

Pediatric residents experience ethical dilemmas and moral distress during training. Few studies have identified meaningful methods in reducing moral distress in pediatric trainees. The authors aimed to determine how residents perceive ethics case discussions, whether such a program affects trainee ethics knowledge and perceived moral distress, and if residents’ perceived moral distress changes before, during, and after a discussion series. Participants included pediatric residents in a single residency program. Five separate 1-hour sessions were presented over a 5-month period. Each session consisted of a case presentation by a resident developed under the guidance of an ethicist. Multidisciplinary services and content experts were present during sessions. Baseline, postsession, and final surveys were distributed to resident attendees. Open-ended responses were recorded. When comparing baseline and final responses, the only significance was increased preparedness to navigate ethical decisions (p = 0.004). A 10.2% decline was observed in perceived moral distress. An increase in ethics knowledge was observed. Residents favored case-based, multidisciplinary discussions. Residents desire more sessions, time for small-group discussions, and legal insight. Satisfaction was high with 90.7% of respondents feeling better prepared to address ethical concerns. Pediatric trainees desire case-based ethics training that incorporates small-group discussions and insight from multidisciplinary topic experts.

A growth monitoring study (0–7 day of age) was conducted involving 87, one-day old Ross 308 male broilers to evaluate organ weights, bone parameters and ileal transcriptomic profile of broiler chicks as influenced by day 7 bodyweight (BW) grouping. The chicks were raised in a deep-litter house under common controlled environmental conditions and commercial starter diet. Chicks were grouped on day 7 into two distinct BW, super performer (SP) and under performer (UP) with bodyweights >260, and <200 g respectively. Results revealed that the SP chicks had significantly higher bone ash, sodium (Na), phosphorus (P) and rubidium (Rb) concentrations compared to the UP chicks on D7. In contrast, the UP chicks had significantly higher tibial cadmium (Cd), caesium (Cs) and lead (Pb) compared to the SP group; the UP chicks also had proportionally heavier relative gizzard weight than the SP chicks. The ileal transcriptomic data revealed differentially expressed genes (DEG) between the two groups of chicks, with 150 upregulated and 83 down-regulated genes with a fold change of ≥1.25 or ≤ 1.25 in the SP chicks relative to the UP chicks. Furthermore, functional annotation and pathway analysis revealed that some of these DEG were involved in various pathways including calcium signalling, Wnt signalling, cytokine-cytokine receptor interaction and mucin type O-glycan biosynthesis. This study revealed that chicks of the same breed and of uniform environmental and diet management exhibited differences in digestive organ weights, tibial bone characteristics and ileal gene expression that may be related to BW.

Fe2+-catalyzed transformation of poorly crystalline ferrihydrite into highly crystalline forms is critical in the biogeochemical cycles of Fe, nutrients, and trace elements. The co-existence of ferrihydrite and kaolinite is widespread in soils of tropical and subtropical regions. In this investigation, three associations of ferrihydrite–kaolinite with ratios of 10, 30, and 50% (10% Fhy–Kln, 30% Fhy–Kln, and 50% Fhy–Kln) were examined to study the impact of the initial Fe2+ concentration and pH on Fe2+-catalyzed transformation under anoxic conditions. The findings reveal that the ferrihydrite in the 10% Fhy–Kln associations has the smallest particle size and the largest number of surface hydroxyl groups. At 0.5 mM Fe2+ and pH 7.5, ferrihydrite underwent transformation into lepidocrocite, with the presence of kaolinite promoting the formation of goethite. Moreover, the presence of kaolinite influenced the morphology of the resulting transformation products. A decrease in pH hindered the transformation of ferrihydrite, while an increase in Fe2+ concentration resulted in the formation of magnetite. The impact of kaolinite in the association system on the transformations of ferrihydrite occurs primarily through alteration of the properties of ferrihydrite during its formation process.

Contrasting light environments in rainforests generates changes in the characteristics of the leaves and in the herbivore community. In the present study, we carried out a reciprocal transplant experiment under natural conditions to determine the plasticity of leaf characteristics of plant species that grow in contrasting light environments in a Neotropical forest. We further explored the relationship between these traits and insect herbivory. We found that six woody species differ markedly in the phenotypic plasticity of leaf features. The specific leaf area, chlorophyll content, carbon content, nitrogen content, and leaf thickness of the most light-demanding species were highest in gaps, but their carbon/nitrogen ratios were higher under closed canopies. The herbivores were more abundant in gaps (5.9%–14.8%) than under closed canopy habitats (3.4%–6.1%) and seemingly associated to the plasticity of the leaf traits. We observed 47% more herbivores in gaps than under closed canopies. Our results suggest that the phenotypic plasticity of leaf traits depends on the identity of the plant species and its wood density, while herbivory seems to be affected by plant defence, low nutritional quality, or herbivore tolerance.

The aim of this study was to evaluate the production performance and the occurrence of histomorphometric changes in the digestive, hepatic and renal systems of goats fed with a diet containing different contents of 25 and 55% spineless cactus (Nopalea cochenillifera (L.)) and with partial or total restriction of drinking water. A total of 35 castrated male goats were used, with an average initial body weight of 19 + 1.4 kg, an average age of 8 months and distributed into five treatments: control (CON): 0.8 Tifton-85 hay and 0.2 concentrate with access to drinking water; 0.25 spineless cactus with access to drinking water (25ADW); 0.25 spineless cactus without access to drinking water (25NDW); 0.55 spineless cactus with access to drinking water (55ADW) and 0.55 spineless cactus without access to drinking water (55NDW). Ruminal and intestinal morphometry, liver glycogen reserve index, duodenal goblet cell index and liver and kidney histopathology were carried out. In the treatment with 0.25 spineless cactus and 0.55 Tifton-85 hay, dry matter intake increased by 26%. The papilla absorption area showed that the 0.55 spineless cactus content provided a larger area (P < 0.05) compared to the 0.25 content and the control. It can be concluded that spineless cactus (N. cochenillifera (L.)) can be used in the diet of goats at a concentration of up to 0.55, associated with Tifton-85, with or without access to drinking water, without causing losses in animal performance or at ruminal, intestinal, hepatic or renal level.