id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
en-wikipedia-org-2567		Altruism - Wikipedia			.html	text/html	10500	1414	58	In the science of ethology (the study of animal behaviour), and more generally in the study of social evolution, altruism refers to behaviour by an individual that increases the fitness of another individual while decreasing the fitness of the actor.[5] In evolutionary psychology this may be applied to a wide range of human behaviors such as charity, emergency aid, help to coalition partners, tipping, courtship gifts, production of public goods, and environmentalism.[6] Altruism, the experiment suggested, was not a superior moral faculty that suppresses basic selfish urges but rather was basic to the brain, hard-wired and pleasurable.[19] One brain region, the subgenual anterior cingulate cortex/basal forebrain, contributes to learning altruistic behavior, especially in those with trait empathy.[20] The same study has shown a connection between giving to charity and the promotion of social bonding.[21]	./cache/en-wikipedia-org-2567.html	./txt/en-wikipedia-org-2567.txt