Nightmares, Delicate Machines & Strange Zoos; Of Keynes, Darwin & Cato
Labels: bill gates, Cato, Darwin, Dean Kamen, Keynes, Lux Research, Matthew Nordan, Richard Foster, Weekly Insider
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Labels: bill gates, Cato, Darwin, Dean Kamen, Keynes, Lux Research, Matthew Nordan, Richard Foster, Weekly Insider
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“You might look at a heart and ask, what is its function? Darwin would answer that the function of the heart is to pump blood, and that's true—it's the cause for which the heart was selected. However, your heart also makes sounds, which is not the function of your heart. This leads us to the easy but puzzling conclusion that the function of a part of an organism is a subset of its causal consequences, meaning that to analyze the function of a part of an organism you need to know the whole organism and its environment. That's the easy part; there's an inalienable holism about organisms.“But here's the strange part: Darwin talked about pre-adaptations, by which he meant a causal consequence of a part of an organism that might turn out to be useful in some funny environment and therefore be selected. The story of Gertrude the flying squirrel illustrates this: About 63 million years ago there was an incredibly ugly squirrel that had flaps of skin connecting her wrists to her ankles. She was so ugly that none of her squirrel colleagues would play or mate with her, so one day she was eating lunch all alone in a magnolia tree. There was an owl named Bertha in the neighboring pine tree, and Bertha took a look at Gertrude and thought, "Lunch!" and came flashing down out of the sunlight with her claws extended. Gertrude was very scared and she jumped out of the magnolia tree and, surprised, she flew! She escaped from the befuddled Bertha, landed, and became a heroine to her clan. She was married in a civil ceremony a month later to a very handsome squirrel, and because the gene for the flaps of skin was Mendelian dominant, all of their kids had the same flaps. That's roughly why we now have flying squirrels.“The question is, could one have said ahead of time that Gertrude's flaps could function as wings? Well, maybe. Could we say that some molecular mutation in a bacterium that allows it to pick up calcium currents, thereby allowing it to detect a paramecium in its vicinity and to escape the paramecium, could function as a paramecium-detector? No. Knowing what a Darwinian pre adaptation is, do you think that we could say ahead of time, what all possible Darwinian pre adaptations are? No, we can't. That means that we don't know what the configuration space of the biosphere is.”
Labels: bill gates, black swan, Darwin, evolution, innovation, Nassim Taleb, stuart kauffman, technology, Weekly Insider