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Although many scientists still think the meteor impact theory is "controversial," Powell's diligent research makes his conclusion appear certain. He convinced me!
But scientists are human, too, and Powell's book recounts how some scientists rejected this theory so strenuously that they lost their sense of proportion, particularly geophysicist Charles Officer.
On pages 216-217, Powell asks, "How far will scientists on the losing end of an argument go? They employ a set of stratagems that seem hauntingly familiar; they are the very ploys used by creationists and others who have no platform or logic."
The following examples paraphrase Powell's findings against Charles Officer:
1. Officer's confident assertion: "There IS no evidence for a meteor impact at the KT boundary." 2. His straw men: "Nobody has found big dinosaur piles." 3. His red herrings: "There are similarities between livestock fatalities and dinosaur extinctions." 4. His plea for equal time: "The journal Science published eleven favorable impact articles, but only two against." 5. His blame of the media: "The Earth science community is biased." 6. His impugned motives: "Scientists fabricate theories and evidence." 7. His false alarms: "The meteor impact theory is pathological and dangerous!"
Ironically, Powell says that Officer's tireless efforts to debunk the meteor impact theory forced geologists to vigilantly reinforce their case. And in the end, the earth science community has a lot to thank Charles Officer for.
But the previous Amazon.com reviewer is wrong when he claims that Powell believes all mass extinctions are attributed to extraterrestrial impacts. Powell does, however, point out that we've found approximately 150 terrestrial impact craters all over the globe, and scientists claim to discover between three and five new craters annually. And these don't include impacts that might've struck the oceans.
Also, you only have to look at the surface of every moon and terrestrial planet in our solar system to see that impacts once occurred regularly. And when a three-mile wide chunk of comet Shoemaker Levy 9 struck Jupiter four years ago, it left a massive impact streak as large as the earth itself! And this bolide was only HALF the size of the rock that bore the Chicxulub crater.
Powell only suggests the POSSIBILITY that periodic impacts triggered mass extinctions. And he thinks this premise deserves a fair hearing instead of being rejected outright.
As a combined scientific detective story and riveting historical account, Powell's book is a masterpiece! Every science student should read it.

There has been a lot of controversy about what reallly happened to the dinosaurs, after all they ruled the earth for 160 million years and then...poof... they are gone. Why did this happen and was the... poof... not so all of a sudden, but over and entended period of time. We do not know for sure, but we have some very interesting information from this book that will shead some light on the matter.
Luis and Walter Alvarez found an interesting clue in the geology of the earth itself. Luis is a Nobel Prize winning physicist and Walter is his son, they found something that would turn the scientific community on its collective ear, that a single random event caused the extinction of the dinosaurs. There is an immense impact crater buried deep in the Yucatan Peninsula in Mexico that was identified as Ground Zero called Chicxulub or red devil
You see what the Alvarez's found was an Iridium layer in the rocks and soil core samples, why would that be so interesting, well, iridium mainly comes from extraterrestrial sources as it is not found in abundance on earth. This iridium layer is found all around the earth at the K-T layer (Cretaceous-Tertiary) at about the right geological time 65 million years ago.
Reading this book will fill in a lot of details as it is a masterful work in scientific reasoning. I found it to be a very educational, entertaining read.

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One of the other great qualities about the game is the prices for the supplements. My friends all seem to baulk when I tell them I bought all of the books for less than $... For most RPG's it would take a life time to afford all of the supplements.



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The authors' history of commercial audience research was tight, offering a multitude of insights into where the ratings business might be headed in the Internet age. And the descriptions of research methodology was just right--enough to understand conceptually, without overdoing it.
Following closely on the heels of chapters about ratings used in programming and advertising, the chapter on ratings and financial analysis added almost no value. But the third section, Understanding Audience Behavior, offered some great discussions of specific measurements without burying the reader in too many details.
Overall, Ratings Analysis is the best book on the topic I've seen--a very thorough exploration of the subject without the passive, scholarly tone of too many textbooks.

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First I want to say that I am an undergraduate biotechnology student. I have a very strong background in biochemistry, cell biology, molecular biology, tissue culture techniques, and immunology; but I have not had any classes dealing with anatomy or physiology since Bio 101 way back when. I have read and am quite comfortable with Alberts Molecular Biology of the Cell and Stryers Biochemistry, and even a handful of primary journal articles, so I do know how to read a textbook.
Now with that out of the way, let me say that this book is completely incomprehensible. It is so full of anatomy and Latin derived words (which it does a poor job at explaining BTW) that I can only assume that it was meant for medical students, and to have physiology an a prerequisite for it, but it doesn't even have an introduction describing the recommended background or whom it is supposed to be for. In fact, most of the book is devoted to the physiology of sensation and movement, not neurobiology. Now if you have the background for it and thats what you are looking for then it is a very thorough text that goes into a lot of depth.
If you are looking to understand the biochemistry or molecular aspects of neurobiology, find another book!



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Chamberlain's writing style is a bit different in this book from his earlier efforts, due no doubt to the fact that half a century had passed since the events he is covering, he was apparently in the process of dying while writing the book, and he never had an opportunity to revise the manuscript, a task which was left to his family. Therefore, it is not surprising that there are inconsistencies with this book from accounts he wrote earlier. Certainly Chamberlain comes across as more emotional in his reminiscences than he did in "Bayonet! Forward!" or "Through Blood and Fire at Gettysburg." Reading Chamberlain's books in terms of the chronology of the events they cover is a good approach and I would certainly recommend reading his memoirs before moving on to the biographies currently available.


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One of the unique faces of The Rainbow is its treatment of characters; instead of expanding from individuals, D.H. Lawrence reverses focus and lets the plot drift along. It's impossible to determine which character is the true protagonist because individuality is simply abashed in this banned work. In place of emphasis on characters, Lawrence traces a circuitous journey through three generations-alternating voices of three generations of Brangwen women. Despite the complexity of this novel however, each of these three women are given their space to dictate the path of their own rainbow. The word "journey" itself is repeated frequently enough, and the torch of change is constantly being passed along. The journey traces from the Polish widow to her Brangwen husband, her daughter to another Brangwen, and eventually the "heiress" of Brangwen memories-Ursula. The mother-daughter loop itself is a symbolic journey as the understanding of love is inherited.
As a novel focusing on the very nature of relationships and their connection to love, to sex, and to God, The Rainbow captures the pain and anguish of each woman as they come to possess the fruit of union with a man. And as the daughter gains voice over the ailing mother, the readers come to see how much time leads the mind towards something new. All characters seek illumination of love, and different from conventional romance novels, The Rainbow traces not the journey of one person, but the journey of an understanding. Anna Brangwen, the daughter of Lydia Lensky, finds a lover with whom she develops "a sensuality violent and extreme as death" (280), a relationship that ends in great fecundity. As her fresh and wishful perspective fades, her eldest daughter, Ursula commands the pace as she comes to possession of passion. Through her youthful flirtation with Anton Skrebensky, Ursula grows to be an emotional teacher eager to share her passion, only finding herself shut down by reality into "a hard, insentient thing" (445). Her meager knowledge of love leads her to a physical and emotional affair with Skrebensky as both grope for the truth behind relationships. But this truth is too grand for both of them as they yield to the tempting nature of passion, and let love pass by. But does the journey stop there?
"The primeval darkness falsified to a social mechanism" (499) is indeed the chimera that propels all characters towards the light of human affections. During a time of great changes, men and women cannot help but clang to one thing that seems unscathed-this primordial sense of protection in the bodies of opposite sex. But this need fades so fast as they probe deeper into the soul in search of the amorphous answer that leaves them sleepless. Just as the sun penetrates through the seductive veil of mist, the characters reach a point where physical relationships is a concrete something that does not satisfy. But while they reach in the darkness of lust for the light of emotional union, all falter just as the beautiful array of colors fade away. The sunshine never fails to reach earth, but it never fails to trick wild hearts into the trap of a surreal realm of love-the paradise beyond the rainbow.


This work is sometimes criticized because of "repetitiveness" in the writing, but I find the repeated phrases add to, not detract from, the power of the novel. As in Lady Chatterley, he also manages to work in many brilliant and cutting observations of the price of progress in an industrial society, and document in careful, keen-eyed accuracy the varying responses of his characters--and, through them, archetypal human responses--to that society.



Watson's account discusses the various intrigues such as with Peter, Linus Pauling's son; and some downright espionage leading to the important discovery with Crick [and a phantom Rosalind Franklin] that a double helix is naturally assumed by pairs of DNA. Misogyny seems to lurk behind every condescension towards women and womanhood liberally expressed by Watson. One wonders whether absent his shared Nobel Prize, Watson would get away with it.
In all probability, had Pauling reported the double helix first thus collecting his third Nobel Prize (!) and Watson was just another chronicler of DNA's lab history the scientific community would not be so tolerant towards a man who remains nearly pathologically dismissive of women in science. Alas, Alfred Nobel didn't stipulate good manners as a condition for awarding the prize bearing his name. Be that as it may, the now classical memoir by a co-discoverer of the double helix has merit for its place in time and should be read by students and other citizens. What it lacks as a primer of ethics it makes up for in its quasi-truthfulness.
The Double Helix contains pedestrian writing that describes a great event. DNA is spectacular. The book about its discovery is merely fair.


Watson is honest in his introduction that his account is just that, the story told through his own point of view, complete with possible faulty memories and personal prejudices. I was intrigued by the portrayals of the personalities of so many famous figures that I've been learning about for years in my biology and genetics classes - Francis Crick, of course, along with Maurice Wilikins, Rosalind Franklin, Linus Pauling, and many more. I was touched by Watson's admission at the end of the book that his unfavorable impressions of Rosalind Franklin stemmed from the fact that she was a woman trying to make a name for herself in the male-dominated world of scientific research in the 1950s.
There is quite a bit of biological jargon in this book, and though it could probably be read by someone without any knowledge of genetics, it will be appreciated more by readers with some background. I thoroughly enjoyed this book and would recommend it to anyone with an interest in genetics and science.