Sadegh Hedayat is one of the most renowned contemporary writers whose various works are discussed by many literary critics. His short story "The Case of Chrystal (rock) Salt" is a humorous and satirical story is collected in Tittle-tattle alongside with five more short stories. The narrator of the story explains the history of human civilization and evolution based on his own perspective. “The ...

This chapter presents a theory of brain and life span evolution and applies it to both primates in general, and to the hominid line, in particular. To address the simultaneous effects of natural selection on the brain and on the life span, it extends the standard life history theory in biology which organizes research into the evolutionary forces shaping age-schedules of fertility and mortality...