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This article re-examines the life and legacy of Tippu Tip (1832–1905) through three interrelated but underexplored dimensions: memory, cultural mediation, and environmental history. Drawing on oral traditions from the Swahili coast and the Congo Basin alongside European records, the study interrogates how Tippu Tip has been remembered across different cultural landscapes. It argues that Tippu Tip functioned not only as a commercial actor but also as a cultural mediator, diffusing Swahili-Islamic practices, reshaping identities, and bridging African, Arab, and European spheres of influence.

The relation between radius and the area of a circle is said to be 22/7 times the radius square. Similarly the relation between diameter and the circumference is considered as 22/7 times the diameter of a circle but actually it is not. For practical purposes to determine the area and circumference of a circle we use this with some deviation and variances. Here in this essay I have shown the actual relation with proof mathematical obviously.

Illegal artisanal gold mining has been around for decades and is practiced by millions of people around the world. In Côte d'Ivoire, it is carried out by poor populations. Gold panning appears to be an effective means of combating poverty and unemployment in Koudougou. The overall objective of this work is to highlight a plan for restoring the site after exploitation by conducting a diagnosis and an assessment of the effects of mining activities with a view to proposing rehabilitation methods.

This study investigates the consumption patterns of Macrotermes termites across three localities in TogoDagbati, Akoumapé, and Kpéméwithin the phosphate mining region, and examines the potential exposure to trace metals associated with this practice. Results reveal significant heterogeneity in entomophagy shaped by both geography and ethnicity. Consumption is nearly universal in Dagbati (100%) and Akoumapé (96.4%) but lower in Kpémé (65.7%).

A series of new N1-(5-aryl/heteroaryl-1H-1,2,3,4-tetraazol-1-yl)-2-(2-morpholinoanilino)- acetamide 6 (a-i), has been synthesized by the cyclo-condensation of N'1-[(E)-1-aryl/heteroarylmethyl- dene]-2-(2-morpholinoanilino)ethanohydrazide (5a-i) witharyl/heteroaryl aldehyde. The structures of the synthesized compounds have been confirmed via IR, 1H NMR, 13C NMR and Mass spectral analyses. Further, all the newly synthesized compounds 6(a-i) have been assayed for their antimicrobial activity against Gram-positive and Gram-negative bacteria and fungi.

Chemical derivatization is a powerful analytical technique employed to enhance the sensitivity and selectivity of UV-visible (UV-Vis) spectrophotometric analysis, particularly for analytes that lack inherent chromophores or exhibit spectral overlap. By converting target molecules into more optically responsive derivatives with improved absorbance characteristics, derivatization enables precise qualitative and quantitative evaluation in complex sample matrices.

Vitamin D is not only required to be taken together with calcium to prevent osteoporosis, but is also an important nutrient because it regulates immune function, inhibits cell proliferation and differentiation, and suppresses inflammation. We would like to add vitamin D and calcium to new food (disaster relief food and space food) to prevent osteoporosis and frailty, but we need to consider the loss of these nutrients during cooking.

Cette recherche s'articule sur la production du biogaz et la détermination des paramètres physicochimiques et biologiques à partir de boues de vidange de la commune urbaine de Kissidougou, sur la caractérisation des boues initiales (avant la digestion) et les effluents de la digestion (après la digestion). Après une synthèse des principaux aspects des boues, nous avons procédé aux prélèvements des échantillons auquartier M’Ballia.

Polyphenol oxidases (PPOs) are enzymes involved in the oxidation of polyphenols into quinones under the action of molecular oxygen, causing certain vegetables to brown. They also participate in essential biological processes such as cellular respiration, photosynthesis, and plant defense systems. Faced with agricultural challenges, including the proliferation of pests, the harmful effects of chemical inputs on the production chain, and the short shelf life of eggplants, the search for sustainable solutions is intensifying.

Digital platforms have emerged as powerful tools for governance. Mizoram, situated in the Northeastern region of India bordering Myanmar and Bangladesh comprise of strong oral traditions and community-based political practices, this transition marks a significant paradigm shift in how political discourse is constructed, framed and disseminated. This study explores the evolving nature of political communication through a focused content analysis of social media handles managed by the state government.