Reciprocation
71return — I. verb Etymology: Middle English, from Anglo French returner, from re + turner, tourner to turn more at turn Date: 14th century intransitive verb 1. a. to go back or come back again < return home > b. to go back in thought, practice, or… …
72reciprocative — adjective see reciprocation …
73Evolutionary psychology — (EP) attempts to explain mental and psychological traits such as memory, perception, or language as adaptations, that is, as the functional products of natural selection or sexual selection. Adaptationist thinking about physiological mechanisms,… …
74Love — For other uses, see Love (disambiguation). Archetypal lovers Romeo and Juliet portrayed by Frank Dicksee …
75Psychological egoism — is the view that humans are always motivated by self interest, even in what seem to be acts of altruism. It claims that when people choose to help others, it is ultimately because of the personal benefits they themselves expect to obtain,… …
76Polyhedron — Polyhedra redirects here. For the relational database system, see Polyhedra DBMS. For the game magazine, see Polyhedron (magazine). For the scientific journal, see Polyhedron (journal). Some Polyhedra Dodecahedron (Regular polyhedron) …
77Persuasion — is a form of social influence. It is the process of guiding people toward the adoption of an idea, attitude, or action by rational and symbolic (though not always logical) means. It is strategy of problem solving relying on appeals rather than… …
78Richard Dawkins — Dawkins in 2010 at Cooper Union in New York City Born Clinton Richard Dawkins 26 March 1941 (1941 03 26) …
79Tragedy of the commons — Cows on Selsley Common. The tragedy of the commons is one way of accounting for overexploitation. The tragedy of the commons is a dilemma arising from the situation in which multiple individuals, acting independently and rationally consulting… …
80Axis powers — Infobox Former International Organization conventional long name = Axis Powerscommon name = Axis Powers noautocat = yes status = Military alliance continent = Europe era = World War II eventhhhh year start = 1940 date start = September 27, 1940… …
