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20220730 – Evolution of Beauty



This book’s main objective is to change the approach to the Darwinian idea of natural selection by separating from it sexual selection, which the author considers a fundamentally independent driver of evolution. The book’s first half analyzes sexual selection based on birds’ research, while the second part is dedicated to humans. Overall, the book moves into a mixed scientific and political discussion about the existing scientific paradigm in biology, homosexuality, and feminism. 



The scientific/experimental part of the book is really interesting, providing quite a few little-known and non-trivial information. However, the scientific/ideological part of separate sexual selection by the beauty of the animal in the eyes of the female beholder seems logically weak. Despite the author’s specific rejection of the idea of sexual selection being a part of natural selection, I think that it is the only reasonable approach. From an evolutionary point of view, there is no difference between an animal’s failure to pass genes to the next generation because of being eaten by predators or because of being rejected by members of the opposite sex. I see nothing special about sexual selection working opposite to environmental factors. If one divides the environment into many different factors, quite a few would undoubtedly work against each other. It relates not only to biology but also to any conceivable, more or less complex system. A simple example would be any computer in which the memory size and speed of downloading / uploading data work against each other. Another example would be an eternal struggle between armor and maneuverability of tanks. Of course, biology is a lot more complex, and sexual selection could work in or out of sync with other selection pressures, but it is not different from other factors.     


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