Background: Since COVID-19 was declared a pandemic, many educational institutions in the world, swiftly adopted online teaching mode as mean of and learning to curtail spread disease. Today, number cases deaths has decreased significantly, life slowly comes normal. Despite significant reduction deaths, some higher education decided continue with while choose blended mode. The reasons being prev...

Stibioclaudetite is a new mineral species with ideal chemistry AsSbO3. The symmetry is monoclinic, P21/n, with a 5 4.5757(4) Å, b 5 13.1288(13) Å, c 5 5.4216(5) Å, β 5 95.039(4)°, V 5 324.44(5) Å, Z 5 4, and dcalc 5 5.009 g/cm. The strongest X-ray lines (calculated) are 3.512 (100), 3.282 (82), 3.238 (71), 2.279 (34), and 4.995 (32). The average of ten microprobe analyses is 45.15% As2O3 and 55...

Designing intuitive interfaces for rural African users requires us to understand the users' conceptual model. We acknowledge differences in categorization approaches based on cultural factors, among others. In the absence of comprehensive literature and theories, we explore card sorting as a means to derive a local categorization of interface objects for one of our prototypes. Results indicate ...

Department of Ecology and Evolutionary Biology/Entomology, Haworth Hall, 1200 Sunnyside Avenue, University of Kansas, Lawrence, KS 66045, USA Evolutionary Genetics, Centre for Ecological and Evolutionary Studies, University of Groningen, PO Box 14, 9750 AA Haren, the Netherlands Gobabeb Research and Training Centre, PO Box 953, Walvis Bay, Namibia Ecology and Genetics, University of Aarhus, Ny ...

Caligus mortis Kensley, 1970 was originally described from females collected from intertidal pools along the coast of Namibia. During surveys at Jeffreys Bay and De Hoop Nature Reserve in South Africa, both females and males of C. mortis were collected from intertidal pool fish hosts. Based on this material a full description of the male is given, and a comparison with the female reveals the se...