Livebearer poeciliids, with few exceptions, are among the most popular and highly traded ornamental fish species. Therefore, they frequently introduced to natural waters outside their native range mostly by aquarium hobbyists. Here we report feral populations of two exotic poecilid species, swordtail (Xiphophorus hellerii) guppy (Poecilia reticulata), established in a hot spring Eastern Turkey....

The risks generally associated with public indebtedness were already clearly identified by Adam Smith. In his principal work, The Wealth of Nations, he wrote: “The practice of funding has gradually enfeebled every state which has adopted it.” To me this does not mean that all public debt has to be called into question, even if influential politicians here in the United States are once again dem...

In this article, I will try, first, to critically assess the approaches to liberatory ethics particularly those developed in early modernity, which aimed at deriving an “objectively” grounded liberatory ethics, second, to explore the reasons why today’s liberatory ethics should avoid both the Scylla of “objective” ethics as well as the Charybdis of irrationalist ethics or unbounded moral relati...