CGSC 1001 Lecture Notes - Lecture 20: Louise Leakey, Australopithecine, Noam Chomsky
2 Apr 2016
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Lecture 20; social cog in the evolution on int. That"s bones, not skeletons: and that"s not even to say they"d ever be found. Difficulty in finding fossils: keep in mind we share 70% of our dna with mice, http://www. ted. com/talks/louise_leakey_digs_for_humanity_s_origins?language=en, louise leakey ted talk, watch only up to minute 12 . We don"t know that they didn"t use tools: however, only stone & metal tools last, most modern hunter-gatherer societies of today have more biodegradable tools than stone ones. Standard timetable for human evolution: we differentiated from something100k-200k years ago, we differentiated from chimps much longer ago. Group living theory: dunbar"s paper that you read, human lives differ from other primates mostly in terms of their social environments, we evolved smart brains to: Keep track of everybody else and maintain social relationships. Results in a social cognition arms race. Hunting theory (ecological hypothesis: in general, carnivores are more intelligent than herbivores.
