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As an experienced ocean sailor, I can say that Mr. Knecht has done an excellent job of portraying life at sea on a racing boat, without getting overly technical. I recommend this book to anyone interested in a gripping adventure story with characters who are both heroic and flawed, and for the men who died, are also all too real.
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1) The central thesis is that genes act as if their intention was to selfishly help themselves spread throughout the gene pool. This is not because they have the ability to make decisions or are capable of being selfish the way a person could. It's simply that those that happen to act as if they had wanted to spread do spread, and they do so at the expense of the rest. This notion of apparent design from natural selection is the keystone of neo-Darwinism.
2) The idea of analyzing evolution by looking at how each individual gene spreads itself in the environment of other genes is not only clear but illuminating, solving problems that the organism-centered approach cannot. Remember, an environment consists of whatever circumstances, objects, or conditions one is surrounded by. That means that, just as it makes perfect sense to say that other people form part of each person's environment, it is logical that other genes form part of a gene's environment. A gene competes with other alleles -- alternative genes at its locus -- and often does so by cooperating with genes at other loci, as per Dawkins' rowing team analogy.
3) It's not that Dawkins ignores neurobiology, but that he supports the new understanding that there is neither biological nor cultural determinism for behavior, but rather development based on epigenetic rules. In other words, Dawkins denies the Standard Social Science Model of tabula rasa human nature, replacing it with a less extremist stance that is demonstrably true. As Steven Pinker makes very clear in _How The Mind Works_, humans are intelligent not because we are free from the instincts that drive other animals but because of our ability to use the mental organs that implement our instincts to solve general-purpose problems.
4) Dawkins does not in any way restrict cultural transmission to imitation. However, as his interest is in its neo-Darwinistic evolution, not mere transmission or random change, he focuses on the units of replication -- the memes -- that are naturally selected among. This is particularly interesting since it opens up the way to understanding the coevolution of genes and memes, as E. O. Wilson explains in _Consilience_.
In summary, if you want to understand these issues, don't take Yehouda's word on this or even mine. Get the book and read it for yourself. Life is so much more interesting than anti-evolutionists would have you imagine, and Dawkins is so painfully clear that even the layman has to work hard to misunderstand him. He is, quite literally, a joy to read.
Yet, throughout the book, Dawkins use of language ascribes conscious, purposeful motives to these silent, unconscious pieces of organisms. Dawkins talks about "what a gene wants," or about "what a gene is trying to accomplish," or about "what is GOOD for the gene." Thus, the reader can imagine genes as supremely slow, yet effectual manipulators that build enormous robots (beavers, bacteria, trees, woodpeckers, humans...) in order to propagate their numbers through space and time.
Of course, as Dawkins reminds us, the gene has no purpose. It is not "trying" to do anything. This language is just a conceptual tool. And if we wish, we can easily convert our rhetoric about "selfish genes" to the respectable language of natural selection. The respectable view is the view that genes that build critters with longer legs (or bigger wings, or more acute sense organs) will tend to survive and thus pass themselves on to new generations more successfully than those genes that are less effective at building survival machines.
But when we use the "selfish gene" language, we have an amazing tool. This tool helps us to understand the evolution of the organism all the way from the primordial soup to the abundance of bafflingly complex life that exists today.
Dawkins accomplishes quite a bit throughout the course of "The Selfish Gene." What can you expect if you read it? Well, obviously he puts forth his view of natural selection as roughly sketched above, albeit in much more detail (okay, and with much more eloquence). Dawkins then applies his methodology to various puzzles, causing much enlightenment along the way. He uses it to argue against group selection theory. He uses it to analyze the phenomenon of apparent altruism between kin. He uses it to explain the origin of the differential role of the sexes. And so on across many cool areas of biology.
I would also thoroughly enjoy exploring the chapter on memes in my review. Are memes an alternative to genes as explanations for human behavior? Are memes deterministic? Do non-human animals have memes? I'm afraid that would quickly turn this book review into a philosophy treatise however. So I will refrain for now.
To draw to a close, who should read Dawkins' book? The short answer is: everyone. It's that good.
In the book's forward, Robert Trivers laments the fact that the application of natural selection to social hehavior "has been widely neglected." That was 1976. Today, in 2003, however, the application of darwinian analysis in the social sciences is ubiquitous. So, the "Selfish Gene" indeed was on the cutting edge of intellectual history.
The term "selfish gene" is of course metaphor as Dawkins reminds the reader many times. Many people are put off by it, but I think it makes the book more readable (probably because human brains are programmed to think in terms of actors with motives). Sometimes the "selfish gene" produces selfish behavior, and sometimes it produces extremely unselfish behavior. Don't be deterred by the term. Its memorable, and certainly better than calling the book "Gene-level Selection and the Evolution of Social Behavior".
On the technical side, I found Dawkins' definition of the gene very intuitive, as I also found his explanation of why the gene was the unit of selection rather than the individual or the group.
Finally, the book is NOT as some have claimed on treatise on biological determinism. Dawkins gives wide scope in his last chapter to cultural transmission mechanisms. And it is here where he coins the term "meme", a replicating cultural unit analogous to the biological "gene". And, yes, memes are also "selfish".
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Dawkins portraits convincingly our genetic system as a river of digital quaternary (the 4 DNA components) information with 46 databases (chromosomes) and an operating system which works as a computer. The system has only one goal: the survival of our DNA.
This book depicts life as a bunch of bytes, with no essential difference between living and non-living material. Vitalism is dead. As is solidarity: the well-being of the group is a coincidental consequence, but never a primary motive.
Nature is not good or bad, not cruel, not economical, but only mercilessly disinterested.
Chapter 3 of this book contains formidable examples to counter the creationist viewpoint (e.g. an explanation of a gradual evolution). It should open the eyes of the blind. But that seems to be a very difficult exercise, seeing some other reviews here.
This book is a must read for everybody. It should constitute a background for all politically, socially, environmentally, legally, judicially, religiously ... responsible people with his message that nature is essentially amoral.
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Frankly, if you are, like me, a lay person, don't read this book before reading other books by Dawkins, most notably The Selfish Gene, but also other stuff by him. I doubt I would have understood this book had it been my introduction to Dawkins's ideas. The glossary, though helpful, is far from complete and rarely detailed enough.
But for all this, The Extended Phenotype is richer in observations and ideas then any other book by Dawkins I have ever read. Dawkins says this is his best book, and you can see that he has a point.
The book has three main themes. The first is discussion of left over issues from The Selfish Gene, answering criticism and elaborating on the ideas in that book. The second is clarifying some issues in discussion of evolution, such as replicators and vehicles, fitness, etc. The third one, and the one for which Dawkins is most proud is his 'Extended Phenotype' - the concept that genes operate on the enviornment, and that the body (the individual organism) is a link in the chain of orders passing from DNA to the external phenotype - beaver dams or host behaviour that helps the parasite, or any other activity that helps the genes.
Frankly, the concept of the extended phenotype is best explained in the chapter about 'The Long reach of the gene' in the new (1989) edition of 'The Selfish Gene'. The book is actually best when Dawkins deals with the two other themes -difining genes for example, and discussing replicators. Those chapters are masterworks of clear, essential thinking, of which Dawkins is always a champion.
Finally, one would wish that the book was updated. Many discussions are based on information that at the time was brand new, and follow up would be useful. uinfortunately, Dunnet's afterword does not do the trick, and is more of a hymn to Dawkins (albeit a justified one) than anything else.
'The Extended Phenotype' is not an easy read, but it is definetly worth it.
Dawkins, unlike other science writers, is forthright in declaring his advocacy in writing this book. It's a refreshing start to his most serious effort. After publication of The Selfish Gene led to a storm of fatuous criticism, Extended Phenotype comes in response with more detail of how the gene manifests itself in the organism and its environment. It's clear that Dawkins' critics, who label him an "Ultra-Darwinist" [whatever that is] haven't read this book. His critics frequently argue that The Selfish Gene doesn't operate in a vacuum, but must deal within some kind of environment, from an individual cell to global scenarios. Dawkins deftly responds to critics in describing how genes rely on their environment for successful replication. If the replication doesn't survive in the environment it finds itself, then it, and perhaps its species, will die out.
The child's favourite question, "why" is difficult enough for parents and teachers to answer. Yet, as thinking humans we've become trained to deal with that question nearly every context. So well drilled that we consider something for which that question has no answer to be suspicious if not insidious. Part of Dawkins presentation here reiterates that there is no "why" to either the process of evolution nor its results. It isn't predictable, inevitable or reasonable. It's a tough situation to cope with, but Dawkins describes the mechanism with such precision and clarity, we readily understand "how" if not "why" evolution works. We comprehend because Dawkins does such an outstanding job in presenting its mechanics.
This edition carries three fine finales: Dawkins well thought out bibliography, a glossary, and most prized, indeed, an Afterword by Daniel C. Dennett. If any defense of this book is needed, Dennett is a peerless champion for the task. Dennett's capabilities in logical argument are superbly expressed here. As he's done elsewhere {Darwin's Dangerous Idea], Dennett mourns the lack of orginality and logic among Dawkins' critics. Excepting the more obstinate ones, these seem to be falling by the wayside. It's almost worthwhile reading Dennett's brief essay before starting Dawkins. It would be a gift to readers beyond measure if these two ever collaborated on a book.
Dawkins also takes this opportunity to expand on his theory of the replicator, or replicating entity, and develop its classification further. I'd recommend reading the book after The Selfish Gene just to get the concepts down (unless you're familiar with evolution - and NOT of the punctuationist variety!).
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Although above the level of the newcomer, this has much info which will inform and interest music lovers of all levels in classical music interest.
It is thorough in its coverage of instrument development, composers, conductors, electronic recording, concerts, vocal vs. instrumental, etc.
First of all, Dawkins has a tendency to wander off onto tangents that are only quasi-related to what he is talking about. The editor should have pounced on these and told him to elucidate further (his writing style and voice could have easily carried the book the extra twenty to fifty pages that these points would have taken), to include some footnotes for further reading (especially on points like the opinion that males and females in each species carry on a biological arms race against each other), or to simply take out these points which are of real interest, but not real discussion. They were poorly explored in some places. Secondly, Dawkins sometimes makes the subject matter more confusing than it really needs to be with excess terminology. It isn't really important to the average reader what the four types of taxonomists are called. We don't really need to know, and we don't really care. Yes, it is important to understand cladistics (and some information on the use of ribosomal DNA for cladistical purposes would have been quite appropriate, but is lacking), but the actual names of the groups, or even nicknames to help us keep them straight, are unnecessary. At other points, the reader can easily be bogged down in the various biological and genetic terms that the author uses. I don't actually know how great a problem this is (I have taken courses in genetics and biology at a local university), but it would seem that it may be slightly confusing to the average reader, which is his target audience.
Don't get me wrong. Dawkins writing style is great. I challenge anyone to read this and not be absolutely enthralled with his discussions of wandering through Biomorph Land that take place in Chapter 3. I have read that part of the book twice, and both times I was enraptured by his meanderings through an artificial land of artificial life forms. It is a classic in the field, and I am already planning who I will loan it to (most of my scientific friends) and the implications of the work. One last comment that I have runs toward the recommended items. Apparently, several people have recommended Darwin's Black Box, a classic by Michael Behe which challenges the idea of Darwinian evolution and presents a case more for creationism, instead of this book. I understand that some people probably cruise the site and make recommendations that are contradictory to the non-fiction books so that alternative viewpoints are read, and that is good, but I would, rather, prefer that people read both, and then make up their minds.
Definately a book which everyone should read once, and that people interested in theology or biology should purchase, and leave on their coffee table when friends are not eagerly borrowing it. Highly recommended, despite the missing star.
Harkius
Dawkins does a superb job explaining and attempting to popularize the theory of evolution. The book is not primarily directed to the scientific community since virtually nobody serious in the biology field denies the power of the fundaments of evolutionary theory: the non deterministic, non teleological emergence of complexity through mechanisms of natural selection operating on replicators. Still, anybody in any field will find this book amazingly informative and enjoyable.
This is the kind of work that is bound to stir up all kinds of criticism from the ones that have been thought or have convinced themselves that they know the mind of God understand His purposes, have a direct line of communication with and were personally handcrafted by Him. They have been around all along thinking that they have all the answers and the right to condemn a priori whatever does not fit their preconceived ideas. Their posture not only epitomizes arrogance it also trivializes both science and religion.
It also appears to me that some of the reviews come out of sheer ignorance sometimes abundant in pseudo-scientific/technical jargon perhaps as an attempt to give some glimpse of validity to the dubious opinions and the shallow knowledge of their writers. Fortunately, I think, these writers only fool their kind. It is also obvious that some of them did not even read the whole book in which case at least half of the objections in some of the reviews below would have not been made again and again.
Science (good science) does not claim to have the globally objective "God's eye" view of the universe. Objectivism in science means reproducibility by others beyond ideology or other confusing factors; it is equivalent to realism based on empirical (experiential, experimental) knowledge. Science does not claim to be objective beyond what human cognition can generate and it is for that reason that is in contraposition of systems of belief that claim full global understanding of the universe from a generally objective (beyond human) "God's eye" point of view.
Darwin ideas came out in 1856, long before most of the knowledge that now we take for granted was even drafted, but the central ideas of his theory are so powerful that converging evidence for them has come from fields as diverse as agronomy, toxicology, geology, genetics, and computational science. It is not that alternative opinions are wrong because they go against Darwinism. It is that most of these opinions are so rudimentary, simplistic, cumbersome, and self-inconsistent and the fact that often require the spontaneous existence of very complex supernatural beings, what makes them just not good candidates to explain anything at all, let alone the existence of organized complexity in the first place.
Some reviewers below shamelessly declare that to be considered a human being (in their book of illusive attributes) one needs to base fundamental and crucial aspects of existence on unfounded mysticism or, worse, blatant mythology. But Darwin was not the horn-headed, cloven-footed evil man that is taught in Sunday school; he was actually quite religious. He spent a few years in Cambridge studying religion and initially considered the Book of Genesis to be literally true. Something similar can be said about Copernicus, Galileo (even after the torture), Descartes, and Mendel among many others. However, they did not allow religious fundamentalism to take over their passion for nature. They devoted their lives to understand many phenomena that were calling out for better explanations. This is a measure of personal integrity that is conspicuously absent in many "anti-evolutionists".
So, the intention of the book is to explain and popularize evolution not to attack religion. However, not addressing one of the traditional and most contemptuous postures against evolution would not be intellectually fair or honest. Many religions (not all of them) are based on authoritative knowledge provided by leaders or by Revelation. They admit little questioning or analysis from bottom to top or from the out side. Such belief systems can do little explaining natural phenomena with any level of accuracy so, if their beholders claim to be able to really come with explanations they need to learn to accept serious criticism and understand that rhetorical, emotionally appealing spiritualism is just not going to fly.
For the ones that are fully satisfied with their own self-assuring "explanations" and that feel comfortable with the opinion that complex things exist because somebody literally made them, this book will prove to be very irritating. If your curiosity leads you to find better explanations of natural phenomena do not miss this gorgeous exposition of what Darwin and many other brilliant biologists like Dawkins mean with evolution.
Also strongly recommended "Shadows of Forgotten Ancestors" from Sagan and Druyan, "Chaos" and, of course, Darwin's Autobiography.
His choice of Paley's 1802 publication "Natural Theology" to outline the roots of obstructionist attitudes is excellent. Although he wasn't challenging Darwin [who wasn't born yet!], Paley's logic and arguments are still used by those who resist being toppled from their divine pedestal. Dawkins begins his presentation by explaining "the watchmaker" is nature's blind forces of physics acting in an environment that could give rise to life. He spends time addressing the issue of complexity, its meaning and its application to the forces of life in contrast to inert matter such as rock.
Dawkins follows this analysis with examples of "design" [or lack of it] in nature compared with design by humans. From bats through bears to Boeings, Dawkins lucidly explains the differences between nature's "decisions" and those of engineers. Evolution, no matter how illogical it seems to the human witness, doesn't foresee the result of changes. Our brief existence demands answers within our lifetimes. Dawkins posits that we need patience, that nature works too slowly [with some exceptions - see Jonathan Weiner's The Beak of the Finch for an update] to provide quick, simple answers to how life works.
His chapter Accumulating Small Change addresses the issue of change in a novel fashion. It also counters the frequently raised challenge that "statistically, life can't evolve through random change". Here, Dawkins introduces a computer program which takes us through the evolutionary process in accelerated steps. He shows that while life is constantly changing, these changes occur within certain constraints. "Randomness" is hemmed in by such limits as weather, antecedents and valid physical structure. Giant pterodactyls and miniature bats appear vastly different to us, but their fundamental structures are nearly identical. Evolution, then, relies on tiny steps of cumulative selection. Little changes tested in life's cauldron. The survivors ultimately become polar bears, flatworms, kangaroos, us.
After a wonderful chapter, "Puncturing punctuationism" demolishing Stephen Gould's iconoclastic attempt to erode Darwin's thesis, Dawkins moves on to examine other, competitive ideas of how evolution operates. Since many of the ideas discussed in "Doomed Rivals" have been utilized by the obstructionists attempting to counter Darwin, this conclusion is one of the most valuable sections of the book. Starting with the premise that no-one conscious of life can deny evolution, he goes on to examine how various thinkers have addressed its mechanism. Lamarck, who understood life changed through time, still inspires adherents. It's an easier system to understand than Darwin's natural selection. Its premise of acquired characteristics remains wrong, however, no matter what new versions of the idea are forwarded. Dawkins carefully examines the ancient and modern proposals on acquired characteristics, respectfully disposing of them as good common sense, but bad science.
This book is vital to those wishing to develop a feeling for understanding our place in the universe. Our society is so imbued with the concept of divine origins that we've found it too easy to override the life around us. Dawkins book realigns humanity with the rest of life on this planet. If we read and understand him, perhaps we'll regain the respect for our surroundings we lost when we first conceived of gods. If we aren't the result of a spirit's whim, then perhaps we can address the future more realistically. Read this book and see for yourself.
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Dawkins himself wrote the Foreword to this book, giving it his enthusiastic endorsement, and providing some enlightening remarks about the origin of the meme concept. He concedes however, that his original intentions were quite a bit more modest, and that Blackmore has carried the concept further than he had envisioned.
The central thesis of this book is that imitation is what makes humans truly different from other animals, and what drives almost all aspects of human culture. A meme then, is a unit of imitation. Anything that can be passed from one person to another through imitation -- such as a song, a poem, a cookie recipe, fashion, the idea of building a bridge or making pottery -- is an example of a meme. From the meme's point of view, Blackmore claims, we humans are simply "meme machines", copying memes from one brain to another.
This book is highly speculative. That doesn't mean it's wrong. It just means the claims have not been proven scientifically. To Blackmore's credit she does clearly highlight the areas of speculation. She also points out the testable predictions made by her theory, and describes possible experiments that could be performed to validate or falsify them.
One such prediction is that specific neural mechanisms would be found in the brain that support imitation -- the key requirement for replication of memes. The recent discovery of mirror neurons seems to satisfy this prediction and provide a powerful validation of the theory.
This book is ambitious. It purports to be nothing less than a comprehensive scientific theory which answers such major scientific questions as the "big brain" problem, and the evolutionary origins of language, altruism, and religion -- all currently unresolved problems. Blackmore's presentation of these issues to be persuasive and insightful, though in some instances she has overstated her case. For example, while memes may have been a significant causal factor in the origin of language, it is not necessary to adopt a purely non-functional explanation for language.
The most controversial part of the book is likely to the last two chapters, where Blackmore discusses the concept of the "self", the real you which holds beliefs, desires, and intentions. Like Dennett, Blackmore believes the idea of a "self" is an illusion but unlike Dennett she does not see it as benign and a practical necessity. In her view, the illusion of the self (what she calls the "ultimate memeplex") obscures and distorts consciousness, and advocates adopting a Zen-like view to actively repel the self illusion.
After having read the book you may feel, that Blackmore has gone too far; that she has pulled some sleight-of-hand and come up with an outlandish conclusion. However, upon further reflection, the thoughtful reader will be forced to admit that Blackmore has made a forceful case and told at least a plausible, if not utterly convincing story.
Was the evolution of altruism, one of the most hotly debated topics in evolutionary biology, actually driven by meme evolution? Blackmore makes a case that it might have been. How about our big brains? More than just a survival aid, Blackmore shows how brain size selection might have been driven by -- you guessed it -- memes!
This book is such a work of thought and love that I can even forgive Dr. Blackmore for dismissing my entire philosophy of life in two words (p. 241). As Oscar Wilde said, the only thing worse than being talked about is not being talked about.
Blackmore's background in the study of parapsychology gives her a good step or two outside the ivory tower, which seems valuable to gain a healthy perspective on memetics. And she ends her book as I did mine, with an unavoidable inquiry into the meaning of life. If self is an illusion -- if ego is merely an artifact of evolution -- what is to be done? While she doesn't purport to come up with the answer, she, like me, suggests that we all ask ourselves the question.
--Richard Brodie, author, Virus of the Mind: The New Science of the Meme
as other animals. But still we are different.
According to Susan Blackmore thats because we are
capable of imitation. We can thereby copy ideas,
habits,inventions, songs and stories. I.e. memes.
And now memes are as powerful, if not more powerful,
than the good old genes, in directing human evolution.
I find the idea intriguing, and certainly
Susan Blackmore argue well for the idea.
The (evolutionary) pressure for imitation skills
requires big brains. So we evolve big brains, as people
mate with the ones with the most memes.
Language is invented in order to spread memes.
Film stars, journalists, writers, singers,
politicians and artists become the most
attractive, as they are the ones who spread the
most memes.
Things that are hard to explain in a genetic
context (such as adoption, birth control, celibacy) are
easy to explain in a meme context
(the memes are happy with it, as it help spread
more memes).
Science becomes a process to distinguish
true memes from false memes. Fax-machines, telephones,
etc. are created (by the memes) in order to spread more
memes. Writing is a battleground in the head between
memes wanting to be spread.
etc.
It all rings true to me.
Except Susan Blackmores claim that the self
is a complex meme. Certainly it is puzzling
that blind people are reported thinking that their
"I" is located at their fingertips, when they
read Braille.
Still there are other explanations to what
a human "I" is than memes. Personally,
I prefer Antonio Damasios, as he explained
it in the book "the feeling of what happens".
Nevertheless, Susan Blackmores book is a very
exciting read, with lots of clever thoughts.
-Simon
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