Articles

The following study aims to study the evolution, historical and functional dynamics of the German language in Albania, starting from its early phases of confrontation and presentation among Albanians as a language of scientific prestige and elite education, to its contemporary role as a language of certification, study, employment and professional mobility. Based on multifaceted historical sources, press materials, audiovisual media, institutional documents, unpublished interviews, personal archival funds and the narratives of the protagonists or their descendants, the authors argue that German in Albania has managed to maintain a significant weight, although disproportionate in relation to its numerical extent. In its early stages, German was associated almost exclusively with Albanology and with the orientation of the elites towards centres such as Vienna, Graz and Berlin; during socialism it survived in forms of refined state and ideological control, especially in "Radio Tirana", in the field of translation and in specific trajectories of generational formation, while after 1990 it was reformatted as a language of convertible professional and academic capital. The authors' contribution also addresses the current challenges of German studies that are mostly related to student and youth pragmatism, the competition of certification models, the pressure of the labour market and the impact of artificial intelligence on teaching and translation. From this perspective, German in Albania is shown to us today as an almost endemic phenomenon and a truly significant case of the combination between cultural history, education and human mobility.

This systematic review aimed to evaluate the biomechanical properties, functional performance, and clinical outcomes of different hip prosthesis materials and designs used in total hip arthroplasty (THA). A comprehensive search strategy identified 34 peer-reviewed studies published between 2015 and 2024. The materials investigated included cobalt-chromium-molybdenum (CoCrMo), titanium alloys, PEEK, ceramics, and advanced surface coatings such as polycrystalline diamond (PCD). In addition, dual mobility systems, lattice structures, and additively manufactured and patient-specific implants were assessed. The studies utilized clinical trials, finite element analysis, and biomechanical testing to compare outcomes such as wear resistance, stress distribution, osseointegration, and range of motion. The findings demonstrated that titanium alloys and porous lattice structures reduce stress shielding, while ceramics and CoCrMo provide superior wear resistance. Dual mobility implants improved joint stability and range of motion, particularly in high-risk patients. PEEK and PCD showed promising properties but lacked robust long-term data. The integration of advanced manufacturing technologies and material innovations has led to more personalized and biomechanically efficient solutions for THA. Further longitudinal studies are needed to validate these developments. This review provides a critical synthesis of the biomechanical, functional, and clinical implications of contemporary hip prosthetic systems.

Background: </b>Racial disparities in educational outcomes persist in the United States, with Black individuals experiencing lower levels of educational attainment and a higher rate of school disciplinary actions compared to their White counterparts. Parental education is a known predictor of offspring educational attainment, but its effects may vary by race. Understanding the role of household income in mediating these effects is crucial for developing targeted policy interventions to reduce educational inequalities. <b>Objectives: </b>This study aimed to examine the role of household income in mediating the differential effects of maternal education on two youth educational outcomes (educational attainment by age 22 and school disciplinary action) in Black and White families. <b>Methods: </b>Data were drawn from the 22 years of follow-up of the Future of Families and Child Wellbeing Study (FFCWS), a longitudinal study following a cohort of children born in large U.S. cities between 1998 and 2000. Participants included 1,647 Black and 689 White young adults who were followed from birth to age 22. Maternal education, household income, family structure, and paternal incarceration were assessed at baseline (birth), and two youth educational outcomes, namely educational attainment and any school disciplinary action, were assessed at age 22 (emerging adulthood). Using structural equation modeling (SEM), mediation analysis was conducted to examine whether household income partially mediates the effects of maternal education on youth educational outcomes, with race (Black vs. White) as the moderator. <b>Results: </b>The results indicated that maternal education was positively associated with youth educational attainment and negatively associated with school disciplinary actions in the pooled sample that included both Black and White families. However, the effect of parental education on educational attainment at age 22 was weaker for Black than White families. Household income partially mediated racial differences in the effect of maternal education on youth educational attainment. The results suggest that lower household income in Black families is why we observe a weaker effect of parental education on youth educational attainment for Black youth compared to White youth. <b>Conclusion</b><b>s</b>: Findings suggest that the lower household income of families is one of the reasons high maternal education levels are associated with lower youth educational attainment in Black than White families. Addressing income disparities through tax policies may help reduce racial disparities in education and promote educational equity for Black youth.

In February 2020, a family of four required between $14,196 pesos and $15,667 pesos per month to obtain a salary that exceeds the welfare or poverty line. This is an income that most Mexican households do not obtain. There is little social mobility in Mexico, where three quarters of the population born in households at the bottom of the social ladder do not manage to rise above the poverty line, even so, I believe that it is advisable to pursue undergraduate and especially graduate studies. By 2020, a person with a graduate degree will receive 6.6 times more than a person with a primary school education, 4.5 times more than a person with a secondary school education, 3.8 times more than a person with a high school education and 2 times more than a person with a bachelor's degree. In terms of gender, women with high school, undergraduate and graduate degrees receive the equivalent of 70% of the salary of men.In December 2021, more than 1.8 million Instituto Mexicano del Seguro Social (IMSS) affiliates receive a salary higher than $30,170 pesos, of which more than 830 thousand receive a salary higher than $47,140 pesos, corresponding to 3.2% and 1.5% of the 56.9 million people that make up the economically active employed population (formal and informal).