Human Evolution - 2 Million Years of Increasing Brain Size - Video
Politics / Evolution Nov 02, 2015 - 07:37 PM GMTThe primary evolution for the Genus HOMO of the past 2 million years has been largely in the brain, that in the fossil record has seen our cranial capacity expand from what was little different in size to that of a Chimpanzee some 2.5 million years ago to now triple the size, as natural selection selected those humans who were able to utilise a constant flow of new ideas whilst those individuals and populations who just could not make the leap in understanding were literally killed off by superior strategies, as one can imagine the leaps in cognition were a mixture of steady progress coupled with great leaps in insight such as using fire for first warmth then for protection and eventually realising that cooked meat / food is far more easily edible and digestible, that greatly boosted our calorific intake giving fuel for the brain to grow.
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By Nadeem Walayat
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Nadeem Walayat has over 25 years experience of trading derivatives, portfolio management and analysing the financial markets, including one of few who both anticipated and Beat the 1987 Crash. Nadeem's forward looking analysis focuses on UK inflation, economy, interest rates and housing market. He is the author of five ebook's in the The Inflation Mega-Trend and Stocks Stealth Bull Market series that can be downloaded for Free.
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