Altruism (biology) most common mechanism of reciprocity in nature, this kind is present in humans, primates, and many other mammals. Also known as, "If you're nice, I'll be nice too." This mechanism of reciprocity is similar to the heuristic of the golden rule, "Treat others how you would like to be treated." Parties mirror one another's attitudes, exchanging favors on the spot. Instant attitudinal reciprocity occurs among monkeys, and people often rely on it with strangers and acquaintances. Also known as, "what have you done for me lately?" Individuals keep track of the benefits they exchange with particular partners, which helps them
University of Niš Faculty of Science and Mathematics University of Niš Faculty of Science and Mathematics The University of Niš Faculty of Science and Mathematics (), also known as the Niš Faculty of Science and Mathematics, is one of the educational institutions of the University of Niš, Serbia. Today’s "Faculty of Sciences and Mathematics", as an institution of the University of Niš, began its life within the Faculty of Philosophy in Niš. Established in 1971, the Faculty of Philosophy initially comprised several departments, three of which were Department of Mathematics, Department of Physics, and Department of Chemistry. It is these three departments that constituted the core which would