BOOK REVIEW: The Invention of Nature by Andrea Wulf

The Invention of Nature: Alexander von Humboldt's New WorldThe Invention of Nature: Alexander von Humboldt’s New World by Andrea Wulf
My rating: 5 of 5 stars

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If you’re like me, you had no idea who Alexander von Humboldt was prior to this surprisingly well-received book. So why read a book about him? Well, you’ve surely heard of the people he influenced: e.g. Darwin, Thoreau, Jefferson, Bolivar, Wordsworth, Samuel Taylor Coleridge and John Muir—to name a few.

Humboldt was one of the top scientists of his time, but his influence extended far beyond that aspect of his life. Much of the thrill of this book comes from Humboldt’s expeditions to Latin America and Russia. He faced alligators, electric eels, a capsized ship, and natural disasters. He also made Herculean efforts to arrange a Himalayan expedition, but politics and personalities intervened to delay him until he was too old to make the trip. (It should be noted that when Humboldt summited Mount Chimborazo in Ecuador in the early 1800’s, it was believed to be the highest peak in the world [at 6268m, or 20,600ft.] Needless to say there was a lot unknown about the Himalaya at the time—e.g. Everest is 8848m, or over 29,000ft.) While Humboldt produced specific breakthroughs and discoveries (e.g. inventing isotherms and discovering the magnetic equator), much of the inspiration he provided was in showing the interconnectedness of nature and the potential for unintended consequences.

As a Prussian aristocrat, Humboldt was born into a position to have influence but it was his ideas and his personality that made him so sought after. He could be arrogant, but was humbled in the face of nature. He was charismatic, but did not suffer fools kindly. He was adamantly anti-slavery and strongly opposed efforts of religion to stymie science in order to delay the toppling of their sacred cows.

The book is arranged into 23 chapters, divided among five parts. Part I describes his youth and the time leading up to the American expedition that would make him a legend. Part II describes his experiences gathering specimens and observations in Latin America, with a chapter about his meeting with Thomas Jefferson on his way back to Europe. Part III covers the period he spent in Europe after his expedition to the Americas. It was during this time that he wrote up his observations and hypotheses about nature. It was a productive time, but Humboldt missed nature. Part IV covers two important topics: the expedition through Russia and some of the more important ideas and people Humboldt influenced—e.g. Darwin. By this time he was well-known, and the books that had thus far come out were much in demand. Part V continues the theme of Humboldt’s influence on great thinkers, but with a focus on ideas that were a bit slower to develop.

I enjoyed this book. Interestingly, it follows a chronological format. That may seem a less than profound observation for a biography, but it’s less common to begin with the earlier years of life because those are typically the boring bits and there’s a desire to get into the meat of the story. (To some degree the author does this with a prologue that describes the Chimborazo trek.)

I’d recommend this book for those who are interested in science, ecology, and nature, as well as those interested in what it was like to make a scientific expedition in those days, well before Darwin.

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BOOK REVIEW: Into Africa by Martin Dugard

Into Africa: The Epic Adventures of Stanley and LivingstoneInto Africa: The Epic Adventures of Stanley and Livingstone by Martin Dugard
My rating: 5 of 5 stars

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“Doctor Livingstone, I presume?” These iconic words are culturally embedded in the psyche of Americans (and, I assume, the British as well), but I had only a vague understanding of their meaning before reading Dugard’s account of the two expeditions that would bring the phrase into household immortality—the first of which was Dr. David Livingstone’s search to once-and-for-all find the source of the Nile and the other was Henry Stanley’s search to discover whether Livingstone was still alive.

If one isn’t a diehard history buff, it can be hard to maintain one’s interest in events of almost 150 years ago. Let me assure you, this isn’t the case for stories of African explanation—including “Into Africa.” If the author is at all skilled, these books read like novels with an almost improbably high level and pace of tension. That’s because almost everything in Africa in those days was working against the explorer, and most things were actively trying to kill him. A summary of threats include: a panoply of diseases (e.g. malaria, dysentery, etc.), an ark of animals and insects (e.g. poisonous snakes, lions, elephants, rhinos, etc.), and of course tribes and other humans (e.g. one could find oneself caught in the cross-fire between Arab slave traders and tribes who resented being enslaved, even if one had no stake in the fight.) And if none of those killers got one (and at least some of them always did), your men might desert you in the middle of the night while absconding with all your goods—and those goods were how one paid for both one’s food and for safe passage through tribal lands. In Dugard’s work, one sees each of these threats played and replayed, as well as a host of others from political conflicts, incompetence, and disgruntledness. It should be noted that there was almost no precedence for sending someone to look for a lost explorer—it was considered so unlikely to succeed in that era, not to mention likely getting a lot more killed.

The book largely alternates chapters featuring Stanley with those featuring Livingstone. This is particularly the case once the book reaches the point at which Stanley is actively on the trail. These were very different men, but the name of each man became synonymous with courage. Stanley was an American journalist who made it to the top based solely on willingness to go places and do things other reporters wouldn’t. In fact, he had trouble making a go of his career starting out, and it wasn’t until a traumatic adventure that he developed the assertiveness to make something of himself. Livingstone was already a legend when he took on this expedition, and was arguably too far past prime to be taking on such an adventure. The men were also quite different as expedition leaders. Stanley ran his caravan with an iron fist, while Livingstone was known for being lax and easily distracted—while they were at opposite end of the spectrum in this regard, it seems likely that both would have succeeded better with more moderation.

At the book’s beginning there’s a conflict at the Royal Geographical Society between Richard Burton (the explorer, not the actor) and John Speke over the source of the Nile. Livingston, a living legend, was asked to investigate and settle the issue—an objective he didn’t complete. It should be noted that finding the river’s source isn’t as easy as it sounds. Speke was correct in that the Nile reached at least to Lake Victoria (at the equator), but it wasn’t clear whether Victoria was connected to other lakes in the southern hemisphere, and—if so—how far down it went. There was a chain of lakes to the south that might have drained into the Nile, but, as it happens, flow into the Congo River.

I found this to be fascinating reading. The book consists of 40 chapters divided among five parts, and so most of the chapters are quick reads and the interspersal of the Stanley and Livingstone story lines keeps the pacing going nicely. Dugard did a good job structuring the narrative.

I’d recommend this book for anyone interested in learning about Stanley, Livingstone or who just want to know what it was like to be an explorer on the Dark Continent. [Fun-fact: While “dark continent” sounds blatantly racist, it turns out that the phrase was originally used in reference to the fact that so much of the map was blank—i.e. it was largely unmapped.]

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BOOK REVIEW: Choke by Sian Beilock

Choke: What the Secrets of the Brain Reveal About Getting It Right When You Have ToChoke: What the Secrets of the Brain Reveal About Getting It Right When You Have To by Sian Beilock
My rating: 4 of 5 stars

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“Choke” in this book means to under-perform under high stakes. It doesn’t mean to be a poor performer, generally. This book is designed to help those who perform at a lower level when the pressure is on. It’s a condition that’s even been witnessed in Olympic caliber athletes–world champions who couldn’t get on the podium in the most important games of their careers. The book isn’t just about choking in sports; in fact, much of it is about bombing tests, and it also addresses under-performance in business environments.

“Choke” is organized into nine chapters. The first is called the “curse of expertise,” and it deals with just that—how experts are notoriously bad judges of how successful novices will be. This is because the causes of under-performance aren’t always straight forward. For example, some qualities that serve to make individuals strong contenders under low pressure conditions (e.g. a large working-memory) contribute to the cracking of the same individuals under high stakes. The second chapter explains how practice improves performance. Chapter three investigates why using our Prefrontal Cortex (i.e. our conscious mind) can do us in when the task calls for procedural memory that is unconscious to do its work.

Chapter four delves into the differences between the sexes in academic endeavors. Chapter five is about choking on tests in a scholastic environment, and it deals a lot with why minorities under-perform on standardized tests. Chapter Six presents some activities that have been shown to be successful in reducing choking including therapeutic writing, meditation, and changing one’s mode of thinking. There is a box at the end of the chapter that summarizes many of these cures.

Chapter seven discusses choking in sports. Choking in sports has some common ground with academic under-performance. However, it’s also different in that the object is often to quiet the conscious mind altogether. Some solutions for the yips in sports, such as mantras repeated in one’s mind to let the procedural memory take over, may not be as useful in an academic setting. Chapter 8 presents a range of techniques to prevent choking from practicing under more realistic conditions to getting on with it (i.e. not overthinking or slowing down) to distracting oneself to focusing on the goal (not the process.) The chapter also looks at the flip-side, why those who excel in physical performance often stink at coaching (i.e. they aren’t analytical about how it’s done.) This chapter also has a nice summary box of solutions. The final chapter looks at under-performance in a business setting, which again shares some things in common with choking in other domains, but also presents its own problems.

I found this book to be useful and thought-provoking. The advice is sound.

The discussion of bombing at tests and in the academic setting is largely applicable only to females or minorities as it focuses heavily on the issue of why these groups are disproportionately affected by academic under-performance. With respect to sports and business, the only condition necessary to benefit from the advice is a proclivity to choke or a desire to know how to help oneself or others avoid the fate. So depending upon what domain one is considering and one’s demographic, there may be other books that are either more or less relevant to one’s personal issue.

I’d recommend this book for those interested in the science of human performance.

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BOOK REVIEW: Brainwashing by Kathleen Taylor

Brainwashing: The Science of Thought ControlBrainwashing: The Science of Thought Control by Kathleen Taylor
My rating: 4 of 5 stars

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There are few terms more loaded with myth and misunderstanding than “brainwashing.” For many it conjures up images from “The Manchurian Candidate.” [For those who’ve never seen either of the two movies of this name (1962 and 2004, starring Frank Sinatra and Denzel Washington, respectively) or read the Richard Condon novel on which they were based, they involve American POW’s who return home brainwashed—one to commit a political assassination and the others to talk the assassin up so that he’ll be able to gain a position to conduct the murder.] Some think brainwashing is complete bunk and others assume it’s reality just like in the movies. Few know the nuanced truth that’s somewhere in between—brainwashing is real but much less reliable than the movies depict. (Projects like America’s MKUltra proved unsuccessful at producing reliable mind control results.)

Taylor’s book is like a number of others that try to get to the truth about brainwashing. Where her book is unique is in its focus on neuroscience rather than psychology. That fact may make it worth reading even if you’ve read other scholarly works on the subject. The middle section does get technical as it attempts to bring a general readership up to speed on topics like neurotransmitters and neurons.

While one might expect a book on this topic to deal overwhelmingly with entities like the CIA and KGB, readers may be surprised to see how much the book focuses on advertising agencies, religions, and the educational system. While the term “brainwashing” has many nefarious connotations, it’s not unrelated to terms like persuasion and indoctrination. The book does provide many less blasé cases–and even discusses the fact in fictitious works like Orwell’s “1984” and Huxley’s “Brave New World.”

The 15 chapters of the book are organized into three parts. The first part lays the groundwork for understanding what the author does—and doesn’t—mean by brainwashing. This section covers many of the same topics as one would expect from a psychologist writing on brainwashing. The middle part of the book (chapters 7 through 11) delves into neuroscience and how it applies to brainwashing. (The book assumes no particular knowledge of brain science, and so this section begins with a crash course on your brain.) The final part explores some of the ramifications of brainwashing as well as asking the question of the degree to which brainwashing can be resisted (and by whom.)

I found this book interesting on many levels. Even if you’re not so interested in the intricacies of the science of the mind, you may learn something about how susceptible you would be to brainwashing (if you can be sufficiently honest with yourself) and how you might become less susceptible (if that’s your goal.)

I’d recommend this book for readers interested in not only brainwashing, but related topics such as free will, persuasion, and emotion.

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BOOK REVIEW: Night School by Richard Wiseman

Night School: Wake up to the power of sleepNight School: Wake up to the power of sleep by Richard Wiseman
My rating: 4 of 5 stars

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This book is a two-in-one. It’s a pop sci book covering the science of sleep. However, it’s arranged as a self-help guide to teach one how to get the most from one’s sleep life. It covers a wide range of sleep related issues from how to minimize jet lag to how to master lucid dreaming. It also describes the sometimes dire effects of not getting enough quality sleep. Along the way one also learns about interesting anecdotes and research that may not change your quality of sleep, but could prove interesting or useful nonetheless—such as the research that shows a strong correlation between the position in which one usually sleeps and one’s personality.

The meat of the book is divided up into eight sections (called “Lessons” in accord with the theme of “Night School.”) The first few lessons begin with general background on sleep and sleep deprivation, and cover how much sleep one needs and how one can achieve the best possible sleep life. Then the book delves into more specialized topics such as night terrors, sleepwalking, “power napping,” and the question of whether one can really learn in one’s sleep. The last couple chapters deal with dreaming (normal and lucid.)

Along with the eight lessons, there are also eight assignments. Most of these assignments are surveys that help the reader understand what will work for them best specifically—as not all sleep advice is one-size-fits-all. However, there are other assignments like a mid-course recap exam, a call to attempt interpreting one’s own dreams (as opposed to relying on the generic dream interpretation guides which the science suggests are bunk,) and a suggestion to start a dream diary—with instructions for how to go about it.

Another nice feature of the book are its boxed discussions of relevant research on such topics as segmented sleep (instead of sleeping through the night), narcolepsy, snoring, children’s sleep issues, etc. There’s also a Conclusion that reviews key information from the book in the form of a refutation of the common myths that abound on the subject of sleep, as well as a “manifesto” that repeats key elements of advice on good sleep. It’s a scholarly work, and so it include source citations.

I learned a lot from this book. Granted a lot of the advice is commonsense (e.g. sleep in a dark, cool, and quiet place), but there are plenty of not so obvious tidbits as well (e.g. red light is okay, but blue light will keep one from sleeping.) There are also a lot of fascinating stories in the book to keep one interested.

I’d recommend the book for anyone who wants to learn to improve their sleep lives.

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BOOK REVIEW: Applied Tai Chi Chuan by Nigel Sutton

Applied Tai Chi Chuan (Martial Arts)Applied Tai Chi Chuan by Nigel Sutton
My rating: 4 of 5 stars

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This book distinguishes itself from the pile of books on tai chi chuan sitting on the shelves of your local bookstore. Most tai chi books are large-format, glossy books with full-color photographs of the various moves of the solo forms–usually the Yang-style short form (also called the Beijing Standard Form [or the like.]) Sutton’s book, on the other hand, is mostly text about the history, philosophy, tactics, and lesser-known dimensions of tai chi chuan. In short, while most books give little indication that there’s more to tai chi than the solo form, Sutton builds his niche in focusing on everything other than the solo form. Those who’ve practiced tai chi will be familiar with the on-going debate about whether the art is primarily chi gong (energy work for health purposes) or a martial art. Sutton comes down on the latter side.

The book consists of 32 short chapters (mostly 2 to 4 pages.) It isn’t written as a how-to manual, but rather as a series of meditations on various aspects of tai chi. As I mentioned, the book deals more with “push hands,” the “san shou” fast forms, and weapons than does most books on tai chi. It doesn’t try to teach these methods, but instead tries to offer insight on them. The book would be of most value to someone who has some experience with the art, but who isn’t an expert. The latter might find it boring, but those without minimal knowledge might have trouble visualizing what the author is attempting to convey.

There are some black & white graphics in the book. They are static photos in a section at the middle of the book. The pictures don’t convey a sequence or details of any particular movement, but instead capture various masters within a movement so as to give the reader a taste of the art. There are also a few line drawings used to show items such as weapons and the yin-yang symbol.

The oddest part of the book is the last chapter (which is far longer than the others and is out of character with the rest of the book.) It consists of extended bios on a number of teachers under which the author has trained. I understand the value of paying homage to one’s teachers, but the bios in this section are long and are inconsistent with the general approach of the book. In essence it’s like a 15 page dedication on a 125 page book. The teachers covered seem to have nothing particular in common other than that the author trained with each of them as some point in his life (i.e. they cover different styles and are from different locales.) That said, there are some interesting nuggets about some of these individuals.

I’d recommend this book for anyone wanting to learn more about tai chi. However, if you’re purely interested in learning the solo forms for chi gong (i.e. you don’t want to know about tai chi as a martial art) then one of those other books may serve you better.

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BOOK REVIEW: A Guide to Chinese Martial Arts by Li Tianji & Du Xilian

Guide To Chinese Martial ArtsGuide To Chinese Martial Arts by Li Tianji
My rating: 3 of 5 stars

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This is a brief guide to the martial arts of China. The bulk of the book (about 150 pages of the book’s 178 pages) tells the reader about three major branches of Chinese martial arts: Chang Quan, Tai Chi Chuan, and Shaolin Kung fu at a general level. (The book devotes space to those arts in the same order–i.e. the largest number of pages discuss Chang Quan, then Tai Chi, and the smallest number to Shaolin. This may be surprising as your average non-Kungfu practitioner is least likely to have heard of Chang Quan—by name anyway. Chang Quan is a general term that encompasses several Northern Styles—some of which might be more familiar to general readers [of martial arts books.]) The book also has a brief chapter that describes the history of martial arts in China from ancient times through the modern era, and one that talks about the many schools of martial arts of China (in no great detail because there are so many of them) as well as the various strengths and purposes of these arts.

The bulk of the illustrations are line drawings used to show typical sequences for each of the three major branches of martial art mentioned above. However, there are some black and white photographs and copies of relevant art works and documents as well.

I found this book to be interesting and informative. There’s a bit too much space devoted to describing techniques for my taste. However, I realize that I may be in the minority in that regard. I don’t believe that martial arts can be taught via books or media, and, therefore, there’s a diminishing value to detailed descriptions of technique. In this sort of book one only needs to get a feel so as to be able to see how the martial arts compare and contrast with others.

I’d recommend this book for someone who wants to learn a bit about the nature of Chinese martial arts. It may not be of much value for an expert, but for a kungfu neophyte it provides some interesting information about the history, tactics, and training methods of Chinese martial arts. It’s originally published by Foreign Languages Press in Beijing, but I don’t suspect there is any more bias than there would be if it was published by anyone else (i.e. it’s the rare martial arts book that doesn’t present the martial art under discussion as the ultimate fighting art.)

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BOOK REVIEW: Võ Dân Tộ Martial Arts by Hữu Ngọc & Lady Borton

Vo Dan Toc / Martial Arts (Handbooks of Vietnam Culture)Vo Dan Toc / Martial Arts by Hữu Ngọc
My rating: 3 of 5 stars

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This book is part of a series that is subtitled “Vietnamese Culture: Frequently Asked Questions,” and that tells one a little about both the content and the format of the book. It’s better described as pamphlet than a book. At about 75 pages, it’s in bilingual format (i.e. one page is in Vietnamese and the adjacent page is the English translation.) So it’s about 38 pages in English that answer 11 questions about Vietnamese martial arts.

The 11 questions addressed by the book are:
1.) How have martial arts developed throughout Vietnamese history?
2.) How were training and examinations for martial arts organized by the court?
3.) What are the schools of Vietnamese martial arts?
4.) What are the main sects of Vietnamese martial arts in France?
5.) How did Liễu Ðôi become a village with a great wrestling tradition?
6.) Who killed a ferocious tiger in 1770 in Sài Gòn’s Tân Kiểng Market?
7.) How did the famous school of Lady Trà-Tân Khánh martial arts begin and develop?
8.) How did President Hổ Chí Minh keep himself fit?
9.) Who played a key role in the success of Thúy Hiển, the world wushu champion?
10.) What do foreigners think of Vietnamese martial arts?
11.) How did the female master Hổ Hoa Huệ impress the Europeans?

The listed questions tell the reader what the book is about. It starts with some general history from centuries past, and then goes on to discuss specific events. I have no idea to what degree propaganda / myth has seeped into the text—maybe not at all or maybe a lot. I purchased the book in Hue, and am not sure if it’s available outside Vietnam. As one can see from the questions, this book won’t give one much insight into the details of Vietnamese martial arts tactics or philosophy. Instead, one gets a bit of history that some readers will find interesting and others will not. There are black and white photos (about 8) that show static instances of Vietnamese martial arts practice, and there is a glossary.

I picked this book up because I was curious about Vietnam’s martial art history—knowing that it must have had an impressive one. There isn’t much English-language information available about Vietnamese martial arts other than Vovinam. Vovinam is a martial art that allegedly developed in the modern era utilizing pieces of other martial arts and arranged to be ideal for the typical Vietnamese body type. However, what one sees of Vovinam on-line is just a poor-man’s version of that signature move of Black Widow from the MCU movies, so I don’t know whether there is any substance there or if it’s just for show.

Considering that it’s only about $0.67 USD in bookstores in Vietnam, I’d say it’s worth picking up this little book if you want to learn something about Vietnam’s martial history.  [If you buy pay alot for a copy on-line, you’ll probably be disappointed.]

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BOOK REVIEW: Quantum Enigma by Rosenblum & Kuttner

Quantum Enigma: Physics Encounters ConsciousnessQuantum Enigma: Physics Encounters Consciousness by Bruce Rosenblum
My rating: 4 of 5 stars

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Consciousness remains a great mystery. While it has increasingly begun to look like consciousness is an output part of the brain, intriguing questions remain unanswered, and some of these unknowns are hard to reconcile with a materialist model (materialism says all phenomena are born out of matter.) It isn’t just pseudo-scientists and cranks that have a problem with the materialist approach. Major names in physics have pointed out that everything is not accounted for by a model that imagines consciousness as the computational product of the brain. Rosenblum and Kuttner address one such hiccup, the so-called Quantum Enigma that lends its name to the book. In brief, the quantum enigma reflects the fact that physical reality is created by observation. This may seem hard to believe, because it’s only been observed at the levels of the really small—i.e. primarily the atomic and subatomic, though the authors propose that there is theoretically nothing to limit the phenomenon to that level and experiments are being conducted at molecular level.

Rosenblum and Kuttner remind us that while the quantum world behaves oddly, quantum theory is exceptionally successful in scientific terms. Meaning that it has been validated by every single experimental inquiry, and the knowledge gained from quantum mechanics has made possible many of the advanced technologies that shape our world (laser, transistor, CCD, and MRI.) The oddness of Quantum Mechanics can be seen in several issues. One is the two-slit experiment in which atoms and photons behave like either a particle or a wave. Another is quantum entanglement, in which two atoms that have interacted become “wired” together such that changes in one are instantaneously reflected in the other—even if they have been separated by great distances.

The book is a bit repetitive, but perhaps this is necessary. People seem to have trouble grasping the nuances of the arguments being made, and this can lead to some wrong conclusions. For example, some people have leapt to the conclusion that ESP is supported by quantum entanglement, but the evidence doesn’t support the idea that one’s thoughts can control anything. Observation causes some physical reality to coalesce, but one has no influence over what reality displays itself. (In other words, with observation the wave function collapses and some state of being comes into existence from what was a field of probabilities.) Randomness remains. Physicists tell us that this is the problem with the idea of using quantum entanglement for instantaneous communications across light-years of space. A further example of a nuance that is hard to grasp is the notion that quantum probability doesn’t describe the likelihood an atom is a certain place, but rather it describes the likelihood you’ll find it there (and that that is a distinction with a difference.)

One may be wondering how consciousness is central the issue. If a non-intelligent entity observed, would the wave forms collapse? Consciousness doesn’t necessarily equate to intelligence as we know it. Consciousness can be thought of as merely the ability to observe and recognize significance in what is observed. So a thermostat is a very primitive form of consciousness. However, the authors do outline why a robotic observer wouldn’t end the controversy.

I found “Quantum Enigma” to be readable despite the challenging subject being explained. The authors to a good job of both describing the relevant phenomenon in terms the average person could understand (Ch.2 though which doesn’t reflect reality) before going on to explain the experiments in which the phenomena is actually observed (i.e. Ch. 7.) The authors use simple line drawings as graphics as necessary as well as staged dialogues to help make the concept clear by anticipating objections and dealing with them as they come.

I’d recommend the book for those interested in the unresolved questions of science with respect to Quantum Mechanics. In particular, there is the issue of consciousness—though it might not seem as central to the book’s discussion as the subtitle would lead one to believe. The last few chapters do deal in consciousness, though in a way that creates more questions than they answer. (It often feels like another summation of the strangeness of quantum mechanics, but that may be because the issues regarding consciousness remain so unclear. Furthermore, a lot of background is necessary to make sense of these complicated issues.)

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BOOK REVIEWS: Gut by Giulia Enders

Gut: The Inside Story of Our Body's Most Underrated OrganGut: The Inside Story of Our Body’s Most Underrated Organ by Giulia Enders
My rating: 5 of 5 stars

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[I recently posted a review of Mary Roach’s GULP. I mention this because that book is likely to be the primary competitor if you’re looking for a tour of the alimentary canal in book form. While I’d recommend both books and point out that the two have different thrusts, if you’re set on reading just one book on poop and farts this year, the two reviews should help you determine which work is more up your alley.]

In this highly readable and humorous book, medical student Giulia Enders teaches us how to poop, what to do when we can’t, how our bodies extract resources from the stuff we shove in our pie holes, and what the bacteria that outnumber our body’s cells by an order of magnitude do for (and against) us. The book is in part a work of popular science, but it’s also a guidebook to the digestive tract. In other words, Enders not only tells readers about the wondrous job their digestive system does, but she also offers advice as to how to keep it running efficiently.

The book is divided into three parts. The first part lays out what the gut consists of and how it does its job. The second part introduces the reader to the enteric nervous system, which is the part of the nervous system that governs the digestive tract and determines when we vomit, poop, and—to some degree–experience emotional turmoil. The final part addresses the body as an ecosystem. The human body consists of 10 trillion cells and another 100 trillion microbes—cells that could theoretically live independently of your body provided the right conditions.

The strength of this book lies in Enders’s ability to put the complex physiological actions of our body into simple, understandable, and whimsical terms. This may mean anthropomorphizing a colon, but so be it—you’ll still get the drift. A prime example is the “Salmonella in Hats” section that equates antibodies with big floppy sombreros that interfere with the germ’s mobility and virulence. The author’s enthusiasm for this “under-rated” organ is infectious.

The book employs amusing, off-beat line drawings to help convey relevant ideas and to support the stories that the author uses to clarify the complex actions of the gut. The art is well matched to the tone of the text, which makes sense given they were drawn by the author’s sister.

As I mentioned in my GULP review, GUT is a very different book despite all they have in common. Enders spends the bulk of her time in the middle of the alimentary canal, where Roach spends most of her time talking about what happens at the two ends. Enders’s book is about the typical Joe’s digestive system, where Roach specializes in extreme cases and narrow (but fascinating) questions. Enders’s book is more of a tour of the digestive system rather than a series of tales of interesting things that happen in and around it. While Roach’s book deals in bizarre cases, Enders’s book is actually more light-hearted and informal in tone. (Whimsical is a good descriptor for GUT.)

I’d recommend this book for anyone who wants to learn more about how their digestive system works and what they can do to keep it working at its best. It’s funny and packed with fun facts.

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