Abstract Background Associations between animal species require that at least one of the species recognizes its partner.Parabioses are associations of two ant species which co-inhabit the same nest.Ants usually possess an elaborate nestmate recognition system, which is based on cuticular hydrocarbons and allows them to distinguish nestmates from no
The production of residual biomass, such as vine pruning, presents environmental problems since its elimination is usually carried out through the uncontrolled burning of the remaining materials and with the emission of greenhouse gases without any counterpart.The use of these residues to Stirrups produce biochar presents several advantages.In addi
The article is aimed at analyzing the economic problems arising from the contradictions of commercialization of the higher education in Ukraine, as well as formulation of recommendations for the State policy in the sphere of higher education.The contradictions between the contemporary postindustrial technological method of production and the market
Muraenidae is a species-rich family, with relationships among genera and species and taxonomy that have not been completely clarified.Few cytogenetic studies have been Ash Catchers conducted on this family, and all of them showed the same diploid chromosome number (2n=42) but with conspicuous karyotypic variation among species.The Mediterranean mor
Water inrush is one of the most frequent and catastrophic hazards in COMPLETE COOKIE CHOC DONUT tunnel engineering, and poses serious threats to the safety of engineering and personnel.This paper presents a case study of a water inrush and ground collapse in the Qingdao Metro Line 4, which caused a cave-in with the diameter and depth of about 30 m