Back in pre-historic times, say, 130,000-30,000 years ago, Europe was dominated not by quaint cafes and dainty bakeries, but by a group of not-quite humans called Neanderthals. In the form of a common insult, their legacy lives on today, and perhaps more accurately than we think: new research suggests that the Neanderthal's extinction was not due to climate change (as was previously argued) but rather to their inability to beat the competition, which came in the form of Cro-Magnon—the first anatomically modern human population.
Oakspar77777's comment is intriguing, though I tend to disagree with his/her conclusion. Specifically, the notion "A man who can hunt seal can follow caribu. A man who can follow caribu can heard goats. BUT, he won't. He will continue to do what he already knows how to do because that is what he KNOWS how to do and he won't risk his life trying something new if there is any other option. While there are cultural shifts in the world, individuals make decisions based on their individual circumstance." If this held true, how is it that humanity has created the world we live in? If a man won't adapt to new cirucmstances, or alter his skill set with the world around him, how am I reading an article on a screen and typing on this keyboard? Under the presented argument, I belong in a forest somewhere, hunting the same animal my family has hunted for the past 30,000 or so years. But more's the point, shouldn't I really be in a tree somewhere with a few other simians, flinging poo and eating fruit? I certainly won't be using a stick to get termites out of hill, now will I? The point Oakspar misses is precisely that a man who can hunt seal CAN follow caribou, or herd goats, or weave cloth, or forge metals, or launch rockets to the moon.
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