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The quest for determining if there is life on Mars has its origins in fundamental research about Earth's environment. Sophisticated scientific experiments were part of the 1976 Viking Mission to Mars. The Viking Lander 1 and Lander 2 were carrying cargo for three biological experiments designed to determine if life forms were found on the surface of Mars, which was the primary objective of the Viking Mission. The Gas Exchange experiment (Gex), the Pyrolytic Release experiment (PR), and the Labeled Release experiment (LR) were selected from the 164 original proposals to develop automated, life-detection experiments to test Martian soil. A fourth test to measure the presence of organicmatter only, the Gas-Chromatograph Mass Spectrophotometer (GCMS) test, was onboard the Viking Mission. This chemical test would discount the findings of the biological tests and play a pivotal role in the conclusions of the existence of life on Mars -- conclusions staunchly defended by NASA.
The first two chapters of DiGregorio's book provide a rather interesting history of the study of Mars. The story traces the planet's role from the ancient religions to the source of intensive scientific scrutiny. Subsequent chapters provide detailed explanations of the scientific research that paved the way for the experiments carried on the Viking Landers. These sections describe not only the scientific research but also the researchers who were engaged in some of the most cutting edge scientific study in microbiology - the study of microbial life in Earth's most extreme, desolate, and hostile environments - searing hot deserts and the frigid ice fields of the Antarctic. This research would pave the way for the development and maturation of anew branch of microbiology examining extremophile bacteria (bacteria that can withstand the extreme environmental conditions of extremely low or extremely high temperatures, excessively salty, or other chemically challenged environments, including cryptoendolithic forms that live inside rocks!).
Wolf Vladimir Vishniac studied algae, molds, and bacteria. His research areas included the origins of life and exobiology (the study of life beyond the boundaries of Earth). Vishniac's development of an in situ test (done in real time -- on the spot), the Wolf Trap, would provide important insights for the concurrent tests by Gilbert V. Levin, whose LR design would be on the Viking Landers. Vishniac and University of Rochester graduate assistant, Stanley Mainzer, developed a series of tests to test for the evidence of microbial life in previously thought sterile ice fields of the Antarctic. It was Vishniac's belief that if life could exist and reproduce in the ice-cemented soils of the Antarctic, life could survive in the harsh environments of Mars.
Vishniac's work also describes the rigors and dangers of such research. On a December summer day in a valley between the Antarctic's Mount Baldr and Mount Thor, Vishniac set to explore a new area to place equipment to continue his studies. Tragically, Vishniac slipped and slid off the edge of a one thousand foot cliff in the Asgard Mountains. The second rigor of research at these levels deals with the acceptance and support of research, especially by NASA and NASA-supported scientists. Vishniac's Wolf Trap and life-testing experimentswere not included in the Viking Landers. The official reason given by NASA for the exclusion was the "weight" of the equipment needed, and that Vishniac's experiments required water, which NASA scientists had already concluded would not be found on Mars.
DiGregorio outlines in the remainder of his book the mounting evidence that Levin's LR experiments did indeed discover life on Mars and how Levin endured the scorn, humiliation, and wrath of the scientific community. The major thrust of the remainder of MARS: THE LIVING PLANET is the decades-long cover up of scientific evidence of life on Mars. DiGregorio describes, in chilling fashion, the role NASA has played in altering, concealing, and distorting data from the Viking Mission. He also describes NASA's attempts to tarnish the careers of research scientists who dare to challenge prevailing NASA thoughts about life on Mars. DiGregorio establishes the premise that NASA has turned its back on settling this incredibly important issue, and then sets forth to answer his own question, "Why?"
MARS: THE LIVING PLANET is, as described on the book's jacket, "a highly readable science story." While some readers might get a little bogged-down in the scientific and technical aspects described in the book's middle chapters, it is this very essence of thoroughness that adds to the compelling story that DiGregorio unfolds. While reading this book, I was compelled to think of three other authors and their subject matter and manner of delivery: Carl Sagan's CONTACT, Kurt Vonnegut's concept of Ice Nine, and Michael Crichton's microbial thriller, ANDROMEDA STRAIN. The difference between these classics and DiGregorio is that Sagan, Vonnegut, and Crichton were writing fiction.
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For the last twenty years, Dr. Levin has consistently argued that no non-biological explanation faithfully reproduces the results seen in his experiment. Dr. Levin has shown great insight in regards to the life on Mars issue. As discussed in DiGregorio's book, he suggested to the imaging team that there were other colors on Mars than just dull browns and reds. This was verified by members of the Viking imaging team who confirmed there were blue and green patches on rocks that changed seasonally. Levin argued that the dry conditions and (apparent) low organic content in the Mars soil did not preclude the existence of life. Since the Viking missions, it has been confirmed that certain organisms can live within igneous rock surving on non-organic chemicals for nutrients and on water that trickles through cracks in the rock. Levin argued in a paper on liquid water on Mars that a widely cited paper concluding that liquid water could not exist on the Martian surface was based on a faulty assumption that water vapor was evenly distributed through the Martian atmospheric column. The Pathfinder mission confirmed that water vapor was restricted to the bottom 1 to 3km above the Martian surface.
Another factor that Digregorio discusses in his book is the evidence that there may be active volcanism on Mars. This is important to the life issue since this indicates heat and or hydrothemal systems on the Martian surface. And the National Science Foundation's report on the Mars Sample Return mission admits that such would increase the chance for life on Mars. Recently from Mars Global Surveyor images it has been concluded that Mars lava flows could be as young as 200 thousand years, which would make it virtually certain that volcanism continues today.
In reading over the history of the controversy over the conflicting results from the Vking missions, it occurs to me there is a basic flaw in subsequent investigations to resolve the issue. They all assume there was something wrong with Levin's Labeled Release experiment and the GCMS, which indicated no organics on Mars, was right. DiGregorio discusses the fact that it was first believed there was a problem in the LRx when it gave positive responses. But the engineering team confirmed it was operating properly. In contrast, there was one important factor with the GCMS that was definitely wrong, and two others that possibly were "wrong". As DiGregorio mentions, the Viking GCMS NEVER GOT AN INDICATION THAT SAMPLES WERE ACTUALLY DELIVERED TO THE CHAMBER. This indicates that either there was a flaw in the mechanism detecting sample delivery or the GCMS never got a large enough sample to register. If the second is true then that has clear implications for its failure to detect organics on Mars. Two other failings of the Viking GCMS is that it could be "poisoned" by soil with high sulfur content, known to be true of Mars, and the fact that it could not detect the organic equivalent of fewer than a million cells per gram.
Given these facts you would think that at least some research would have gone into showing how the GCMS could have given a wrong result. Yet all the research (other than Levin's) went to showing why the LRx was wrong. Why? Scientists are a conservative bunch. Rather than making the truly revolutionary claim that life had been discovered on Mars, they simply preferred to make the safe assumption that the instruments indicating life present were flawed. However, the history of science shows that great discoveries are made when scientists with insight go beyond the safe assumptions, and view the evidence dispassionately and go wherever it leads. What should have given scientists pause is the fact that the conclusion that the GCMS was right and the LRx wrong was based not on scientific factors but solely on the assumption that that is the way things should be.
So how can we determine whether it was the LRx or the GCMS that was flawed? A recent paper by Yen, Murray, and Rossman may give a clue: Water content of the Martian soil: Laboratory simulations of reflectance spectra Authors: YEN, A. S.; MURRAY, B. C.; ROSSMAN, G. R. Journal: Journal of Geophysical Research, v. 103, No. E5, p. 11,125 (1998).
This paper shows there is a discepancy between the water content of the Martian soil as determined by the GCMS and determined by all other Earth-based and orbiter observations, perhaps by a factor of 1 to 2 orders of magnitude. The upcoming Mars Polar Lander due to land on Mars in December will test the water content of the Martian soil. If it confirms the high water content of all the observations other than the GCMS, then that would indicate a gross error in the GCMS water analysis and by extension in the organic analysis as well.
Bob Clark
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What is it? Petr Bogatyrev was a Russian ethnologist who should have been better known than he is. He was born in 1893 and died in 1971. Among his other accomplishments besides this book is his translation into Russian of Hasek's 'Good Soldier Svejk.' He spent his early academic life studying the folklore and customs of Czechoslovakia, eventually earning an honorary Doctor of Philology for this book. He pursued his career in Russia upon returning, but eventually fell victim to the Stalinist fervor of the times and spent most of his life in obscurity. To our loss, since 'Magical Rites...' reveals a keen and interesting mind.
Bogatyrev was an exponent of the synchronic method of ethnography, which he came upon in his linguistic studies. In it's essence it was a rebellion against historical ethnography which attempts to trace backward from contemporary studies to discover the original myths and legends as they existed in some prehistorical period of cultural unity. Instead, Bogatyrev believed we should try to study the present legends and belief systems in context in order to understand their contemporary significance. This allows us to understand the 'magical' mechanisms underlying folk practices, categorize them appropriately, and recognize the sources of variation and commonality. This method reminds me most of Mircea Eliade, who uses a similar approach in 'Shamanism' in 1951, albeit with much greater success.
The flaw in this method is that the reader is often confronted with a massive catalog of facts, without the kind of organization that makes it easy to see the forest rather than get lost in the trees. Only in isolated paragraphs do we find discussions which gradually bring the material together into a conceptual whole. Often the message is disappointingly trivial. Bogatyrev spends a great deal of time and effort rediscovering Frazer's principals of magic; the law of similarity and the law of contact. But he never muses on his inability to discover examples of the law of opposition, and so leaves his findings in question, or at least, lacking in depth.
Since catalogs of Subcarpathian folklore are not common, the book's intrinsic value is greater than it's expository worth as a demonstration of methodology. That it belongs on the shelves of ethnographers is without doubt. The exposition is well written. The book is organized into a methodological introduction followed by a large section organized according to the folk calendar. Subsequent chapters discuss births and baptism, weddings, funerals, finally ending with apparitions and supernatural beings. In no case, however, should you by this in the hope of discovering anything relevant to vampires. They are most definitely not what Bogatyrev was interested in.
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The story of JonBenet's last day of her life, Christmas Day 1996 is told by her parents.
The many ways the murder was exploited by the tabloids, the press, the Boulder Police Department with their leaks to the press, and the internet sub-culture with its hate-the- Ramseys forums is discussed and many of the side shows that have attached themselves to the case in bizarre ways.
The actions of the Ramseys and the investigators are discussed in the book in detail. A must read for the serious follower of the JonBenet murder case no matter which side of the fence one is on.
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For 6 years, the Boulder police, DA, and tabloids have tried this case with lies, hearsay and fake proofs. Their theory (among others) ? Patsy Ramsey, a mother of two with a history of cancer, found her six-year-old daughter JonBenét had wet her bed on Christmas night. She then became hysterical, killed the child, hid her body and made up a fake ransom note. Her husband covered it up.
"We were not able to find a slap in a supermarket" said a policeman. Routier, Downs, all the parents who killed their children had a history of mental illness, family abuse and those parents confessed to their crimes within a few days. JonBenet's parents have NO past history whatsoever. They have been screaming their innocence for 6 years. No evidence is linking them to the murder.
For 6 years, JonBenét Ramsey has been pictured as a 6 year old Lolita in revealing costumes, a "pageant addict" that her mother "forced on stage".. Being in pageants myself I can tell you that the average pageant child competes in 20 to 25 pageants in a year. JonBenet Ramsey competed in 9 pageants over 18 months, 8 of them were tiny local competitions. Had she lived, she would probably have never made it close to a local newspaper headline. She was just another kid.
This book tells the story of parents who not only lost their beloved child, but who were not allowed to mourn her. It tells the story of two persons who will never be able to have a fair and unbiased trial in America because their case was tried in tabloids and trash talk shows. It tells the story of a ruined investigation, because for 6 years the prosecutors REFUSED to look anywhere else but at the parents. What did they find ? Nothing.
I find it interesting that this book only gets 3 stars... but they always say truth doesnt sell.
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By using abstract language, Ms. Lather goes on to convert readers into her feminist ideas. Only radical feminists and gender-concerned individuals would enjoy this work.
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As Lather traces her way through the contradictory discourses of feminism, neo-Marxism and poststructuralism she identifies the hallmark of a liberatory praxis as the ability to act "within an uncertain framework" at a time "marked by the dissolution of authoritative foundations of knowledge". She suggests that above all, emancipatory action requires reflexivity and the ability to attend to the politics of what we do. She recommends a "Foucauldian awareness" of the oppressive role of ostensibly liberatory forms of discourse."
Lather looks to pedagogy as a site for learning about strategies for a "postmodern praxis". She uses Lusted's definition of pedagogy that concludes that knowledge is produced at the intersection of three agencies, the teacher, the learner and the knowledge they produce. She concludes that it has been the practice of "transmissive" rather than "interactively productive" pedagogy that has been the "root of the failure of emancipatory objectives".
I applaud Patti Lather's project as a feminist, a critical theorist and as someone who appreciates the postmodern turn to a consideration of reality as constructed rather than found. As a teacher, a researcher and an activist, Patti Lather has created a dense, rich text that expands our understanding of what and how we can know and how emancipatory practice might be conducted.
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There was information here I had never heard before, evidence that didn't get much publicity, reasonable explanations of things that had been reported inaccurately. Above all there was a picture of a normal, bubbly, bright little girl (not the sensational child beauty queen that seemed to be the media's sole focus). And there was a picture of a family that has suffered a double tragedy: the brutal murder of their daughter and the murder of their reputation while never even being named officially as suspects in the killing.
Most readers will have probably made up their minds about the Ramseys' guilt or innocence before cracking the spine of this hardcover, but the book deserves a fair reading on its own merits. Only after hearing their own story in their own words can you decide if John and Patsy Ramsey could have committed this atrocity.
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