Microbial populations' inhabitants in crude petroleum contaminated soils were analyzed in relation with the soil characteristics. A noticeable greater decline of bacterial counts and diversity but a prevalence of the genus Pseudomonas over the other identified genera in the fresh contaminated soils as compared to the old ones was observed.

Aspergillus niger is an asexual, haploid fungus which infects the seeds of Namibia's national plant, Welwitschia mirabilis, severely affecting plant viability. We used 31 randomly amplified polymorphic DNA markers to assess genetic variation among 89 A. niger isolates collected from three W. mirabilis populations in the Namib Desert. While all isolates belonged to the same vegetative compatibil...

they s tream ed o ff a c h a rte r f l ig h t at A ndrew s A ir Force Base outside Washington. They appeared tired but most sm iled as they le ft the plane, waving to the greeting party. Relatives in the crowd held up signs, including One that said, “ Daddy, Daddy, I Need You.” Most o f the g roup c a rr ie d luggage; m any w ore casual clothes and were ill-p repared for the chilly evening weat...

Since the end of the Cold War, nationalist, ethnic, and civic conflicts have proliferated around the globe. Thus, the optimistic notion of the “End of History” has degenerated into a “Clash of Civilizations,” at least according to some prominent thinkers of international relations.1 The United States, the United Nations, and other international actors have been drawn into several of these confl...

Remote-sensing analysis of open-source satellite imagery has identified a major, new distribution undocumented hunting kite structures in northern Arabia. This data important implications on the environmental viability and possible settlement patterns during early middle Holocene. Running across eastern side Nafud Desert Saudi Arabia, this research star-shaped kites that continues to southern I...

different patterns of pressure systems together with local factors, leads in generation, risingand spread of dust in west of iran. in this study, to investigate the factors causing the occurrence of dust inkermanshah province, 132 cases of dust phenomena (code: 06) were selected and analyzed using kermanshahsynoptic station data for the spring and summer seasons in a period of 5 years (2005-200...

This article presents the research of petroglyphs discovered by Soviet archaeologists in 1962 and 1963 course epigraphic studies Wadi al-Allaqi region within framework archaeological expedition USSR Academy Sciences. 200 hieroglyphic inscriptions were Umm-Agaib, copied subsequently published. As for petroglyphs, due to lack time they not reproduced studied. However, photos rocks Umm-Agaib prese...