One of the best books ever written
This book, together with The Selfish Gene, by the same author, are the best two books I ever read. After reading this book, you will understand for example that the concept of species is not well founded, it makes no sense at all, because the boundaries between species are indeed arbitrary. Species is a continuous variable, and we are able to tell one species from another just because the intermediate ancestors between them are dead. If this weren't the case, our society would be totally different: we would not grant social rights to humans alone, because there would be a continuous fade between apes and humans, as there really was in the past. In other words, the evidence for evolution would make this thing ridiculous. As Dawkins himself explains very well in the selfish Gene, this belief, shared by creationists, Catholics, Christians, etc, is nothing more than racism. This book is a miracle. It nearly moved me to tears. Together with the other great book from Dawkins, the selfish Gene, it is a must read. I dare say everyone should be morally obliged to do so; everyone should know which are the mechanisms of the world, in order to think better and to act better socially. I think this book is better read after the selfish Gene, but many others do not think so. IT is a lot easier to follow that the selfish genes. Anyone could read it. Dawkins is unparalleled in explaining things clearly. Perhaps this book is slightly more obvious than the selfish Gene if you are already in the matter, but it is addressed to different groups of people.:-) If you are interested (and you morally should ) in how evolution really works, the final chapter of the book is a real gem: it explains many misunderstandings on the theory, misunderstandings that everybody has still today. For example, the communication between the body and the DNA is strictly unidirectional: than this, no matter how strongly you become during a life, no matter how much you learn, your son will inherit nothing of all this. The reason for this is simple, once you understand that the bodies are just machines used by DNA in order to preserve itself inaltered. In other words, DNA is a ¿recipe¿ to create bodies, not a ¿blueprint¿. Once the bodies are created, what happens to them does not modify the recipe, because there would be no easy mechanical method to do this. For example, if a cake is made from a recipe, and later one slice is eaten, the recipe cannot be modified (in a simple mechanical way) in order to create a cake with one slice already eaten! If DNA were not a recipe, but a blueprint, every single part of the body would be easily indentified in the blueprint, so the blueprint COULD be modified to reflect the changes in the body. But that simply doesn¿t happen in nature. Dawkins explains why it CANNOT happen: if DNA were a blueprint evolution could not work. The reason is that our children would tend to inherit ALL changes of the body, even the worsenings, so they would be soon destroyed. I have been very simplistic on this; read the book. :-) Dawkins also answers to ¿group selectionists¿: this people - if they still exist - think that the animals (and us) act for the welfare of the species: Dawkins clearly proves that this is absurd: trees in a forest are all equally tall, very tall. If they really acted for the welfare of the species, they would be equally short, because it would be cheaper. The reason why they are not equally short is that the state of being equally short is not a stable state: it is highly probable that a mutant individual who is slightly taller would get more sun, so he would have more descendants, and eventually the forest would be once again full of trees all equally high, slightly higher than before. That process would endlessly repeat, until the disadvantages begin to overweight the advantages , so the population stands still at the same height. So we can learn that, in nature, individuals act for their immediate adva
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Overview
The watchmaker belongs to the eighteenth-century theologian William Paley, who made one of the most famous creationist arguments: Just as a watch is too complicated and too functional to have sprung into existence by accident, so too must all living things, with their far greater complexity, be purposefully designed. It was Charles Darwin's brilliant discovery that put the lie to these arguments. But only Richard Dawkins could have written this eloquent riposte to the creationists. Natural selection - the unconscious, automatic, blind, yet essentially nonrandom process that Darwin discovered - has no purpose in mind. If it can be said to play the role of watchmaker in nature, it is the blind watchmaker. Acclaimed as