Originally posted 2020-04-23 17:59:17.
Cooking is now seen as the definitive characteristic of modern humans, from which all others followed. It seems to have directly led to the development of tools, especially blade design, but it had many other consequences.
Cooking, particularly of meats and fats but also starches, partially pre-digests the food, making more energy available to us and allowing us to use less to digest it. We put this extra energy into growing brains. Growing big brains burns many calories and just running them consumes a significant part of our daily food intake. We know that the physical structures which allow us to speak were evolving at the same time as our brains were growing larger. Speech allowed more complex and efficient communication and cooperation. This encouraged conceptual thinking and other intellectual skills, again leading to the development of bigger brains.
Continue reading “Who we are 2: Cooking, Chattering and Time”
You have to be brain-dead to deny the fact of Evolution these days. Well, these last 150 years actually… Apparently though, at least 40% of USians (other Americans are smarter), are indeed just so cerebrally demised. Hopped the neurological twig as it were. Zombified the gray matter. Deceased the thinking apparatus.
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