Sunday, January 22, 2012

Critically thinking about The HCG diet






"I took the HCG diet plan and lost 1-2 Pounds Daily to get to my ideal weight, and kept it off -- permanently!" -- satisfied user.
What to make of this claim?  The HCG diet is suddenly part of popular culture.  To no one's surprise, a typical round of celebrities have endorsed it, and YouTube videos abound.  Essentially, one limits caloric intake and takes a certain prescribed number of drops per day.  I'm highly skeptical of the claims made, and of the assertions by satisfied users of the HCG product.  I believe anyone who values evidence-based thinking on their own health should also be cautious.  Take just a quick look again at the statement above -- how does the user establish that the weight loss is permanent?  Unless they had a sudden demise soon after making the claim, they are still alive and subject to the rebound effect[1] of dieting.

Even apart from the typical problem of people being unable to account for causes of events in their own lives, one can apply a bit more nuanced critical thinking to the HCG diet:
Variables: Let H = one eats 500 calories a day.  Let C= one takes HCG drops.
Claim: H+C is correlated with weight loss. 
Analysis: From what I've found, no scientific studies have disentangled whether it's H alone, or C alone, or H+C which causes the weight loss.  One should also add-in to the entanglement another variable, G, (i.e. a placebo effect of taking a drug) and whether this psychologically empowers one to stick with H, and which actually yields the weight loss.  
Hypothesis:  I suspect H + G is the real mechanism of the weight loss. 
Experiment:  Get a hold of six HCG bottles.  Let a third-party label them 1-6, and put HCG-hued, colored-water in three of them, leave real HCG in the other three.   Go on the diet with six friends for two weeks.
What kinds of predictions can be made for such an application of "personal science"?  Only three: if the percent of weight loss is approximately equal among the six dieters, it's more likely that the H+G hypothesis is correct than the H+C one.  If the percent of weight loss is more in the HCG users, then H+C now has some objective evidence in its favor (i.e., it survived a counter-evidencing test), and becomes more likely that the HCG drug is doing something.[2] (Of course, if the loss is less for HCG drug, then all the worse for it as a diet aid. ) Naturally, using more dieters and carefully monitoring who is (a) doing what eating and (b) doing what physical activity would make the experiment results more persuasive.[3]

O.

REFERENCES

[image] "HCG Diet divides Doctors and Dieters: HCG Drops a Scam?" mydietarea.com (Accessed 1/22/12)

[1] Many studies have shown that after five years out, the vast majority of people gain back all of their original weight, and some in addition. The main problem is that people cannot reset their metabolism unless they have a regularly scheduled, muscle-working exercise regimen.  But you already knew that, didn't you?

[2] Note, too, G might still play some part the HCG dieting success, and the new question becomes how much.

[3] Yes, I am well aware that this is not a  rigorously-designed, controlled study.  But if you're informed enough to realize what one of those are, then you'll have to admit this little personal science study of mine beats the h@!! out of what passes for evidence in popular culture for the effectiveness of diet aids


Labels: , , , , , ,

Wednesday, May 19, 2010

Canadian Sand better than Mid-Eastern Sand for U.S. Energy


This comment caught my attention from a recent article in the New York Times:
Canadian oil sands are expected to become America’s top source of imported oil this year, surpassing conventional Canadian oil imports and roughly equaling the combined imports from Saudi Arabia and Kuwait, according to IHS Cambridge Energy Research Associates, a consulting firm.
It used to be that access to such oil sands was cost prohibitive, but that is obviously not the case anymore. It seems like a very good national security move for the U.S. as well, because someday the mid-east will erupt in turmoil, and the U.S. could then ride-out the energy decline if it has access to Canadian oil. No doubt market prices would go crazy for a while, but at least there would, in fact, be oil available.

O.

REFERENCES

[image] New York Times

[ * ] Canada put-out a 20 minute, two-part science documentary on how the sand is processed and then the oil extracted. I thought it was nifty. It's here.

[ * ] Two years ago, Sept. 28th, 60 minutes did a segment on the Alberta Oil Sands.   People were saying it had two trillion worth of oil, 8-times more than Saudi Arabia has.  I guess they were right.  Short & sweet, six-minute overview.

Labels: , , , ,

Friday, December 18, 2009

AAAS Podcasts the Top Science Advances of 2009



Ah, December -- when lots of different organizations give their "best of the year" lists. I'm always interested in the round-up of science discoveries, and the American Association for the Advancement of Science has a nicely done podcast which gives a full accounting of this year's top Science advances. It's free too, so that counts as a gift under the blog-o'-tree.

O.

REFERENCES

"Science Podcast" AAAS Dec. 18, 2009.

Labels: , ,

Friday, August 14, 2009

People are pattern seeking primates



From The Chicago Tribune:
When asked about climate change, half of Americans recently polled by the Pew Research Center and the American Association for the Advancement of Science said they didn't believe in it. (Nearly all scientists said they did.) And how many of us, when Michael Jackson died, thought yes, of course, he completes the Ed McMahon-Farrah Fawcett trio? Scientists say this is no surprise. We're wired to do this. Our brains are great at solving scientific puzzles -- and to leading us to believe that celebrities live and die under different rules of the universe than the rest of us.[1]


REFERENCES

[image] "Examples Of Kinetic Illusions In Op Art" Popgive blogsite: Funny stuff, Videos, Pictures, Gadgets, Bizarre, and much more (Accessed August 4, 2009)


[1] Trine Tsouderos "Humans often deny science while trying to find meaning in patterns" Chicago Tribune August 4, 2009.

Labels: , ,

Friday, July 10, 2009

"The Core of Evil": Edgar Allan Poe Updated for the 21st Century


"The Core of Evil": Edgar Allan Poe Updated for the 21st Century


I. Preface

(Audio version) Because the English language, like all languages, evolves over time, sometimes even the best-written works can slowly become inaccessible to modern readers. Advances in science and technology give even well-attested words different connotations. Add to this the challenge of reading Victorian Era prose (1837-1901), and some works by classic authors can appear especially opaque. In this close paraphrase, I have made only a minimum number of changes necessary to bring the author's meaning forward into today's categories of thought. Where a change is made, it is to make the original thought more engaging, and thereby more accessible, to today's basic world-view than it could otherwise be when given the original work. Ultimately, the deepest and most insightful writers about the human condition take only the slightest tweaks to bring their positions back with a vengeance.

II. Introduction

As a Philosopher of Mind, I was immediately struck that Poe is offering something like an analysis of consciousness in his The Imp of the Perverse, an essay which initially addresses psychology-like themes but which then transitions into a short-story. It appears that freewill, non-conscious (or, perhaps, sub-conscious) processing, and personal identity issues seemingly all make appearances within this work. In Poe's time, the relationship between mind and brain was not understood, and it is only haphazardly understood even today, if at all, and with many controversies at immediate issue for anyone who cares to skim the literature. Phrenology, transcendentalism, and various strains of religious metaphysics all melded together into victorian folk-views of mind, which persons would have been perfectly comfortable talking about ghosts, spirits, and other such (to our minds) Halloween-appropriate entities.

-- B. Montgomery 7/9/2009
]

III. "The Core of Evil"

In the consideration of the mental faculties and neuro- impulses -- of the basic movements within the human "soul," to use an antique term, the popular notions of psychology have failed to make room for a propensity which, although obviously existing as a radical, primitive, irreducible emotion, has been equally overlooked by all the religious advisors and ethics counsellors who have preceded such psychologists. In our pure intoxication with science, we have indeed all overlooked it. Even so-called intellectuals have suffered its existence to escape their senses, solely through want of belief -- of faith; -- whether it be faith in God-imparted revelations, or faith in the seemingly magical properties of Quantum theory or String cosmology. The idea of this propensity has never occurred to us, simply because of what it demands of us to confront. We saw no need to account for something apparently outright extraneous. We could not understand, that is to say, we could not have understood, had the notion of this basic movement within ever imposed itself; -- we could not have understood in what manner it might be made to further the technological advancement of greater society or its individual citizens, either immediately or at some distant, space-colonized future.

It cannot be denied that the popular views of the human mind and, in great measure, all transcendental mumbo-jumbo about the human soul has been concocted by means of arm-chair speculation. The intellectual or logical person, as contrasted with the understanding or observant one, set himself to imagine essential designs -- as if to dictate purposes to God Almighty. Having thus fathomed, to his satisfaction, the intentions of Deity Itself, out of these intentions the arm-chair speculator built innumerable systems about what is this thing called Mind. In the matter of common sense thinking, for example, we first determined, naturally enough, that it was the design of God that humans should eat. We then assigned to every human a neural structure, or brain module, perhaps; and this tiny, electro-chemical sub-section of neurons becomes the scourge with which God compels humans, whether dieting or not, into eating. Secondly, having settled it to be God's will that humans should continue the species, we discovered all sorts of brain structures consistent with our expectations.

And so as with equally aggressive ideals about how the mind works,--so too, in short, with any other pet psychological theory about ethics or creativity we happen to come up with. And in these arrangements of some Grand Theory of human action, psychologists, whether right or wrong, in part, or upon the whole, have but followed, in principle, the footsteps of their predecessors: deducing and establishing every thing from their preconceived notions of humanity, and upon the ground of the objects of God, if they are pious; or of the more mysterious fathoms of physics theories, if they are not.

It would have been wiser, it would have been safer, to classify (if classify we must) upon the basis of what humans usually or occasionally did, and was always occasionally doing, rather than upon the basis of what we took it for granted God intended them to do. If we cannot comprehend God in his visible works, how then in God's inconceivable thoughts by which God put all of reality together? If we cannot understand God by studying the concrete examples of biological creatures, how then in God's metaphysical relations which were brought to bear in designing it all?

Induction -- that is, straight-forward observation should have brought popular psychology to admit, as an innate and primitive principle of human action, a paradoxical something, which we may call perverseness, for want of a more nuanced, scientific term. In the sense I intend, it is, in fact, an instinctive drive with no accompanying evolutionary goal. Through its promptings we act without comprehensible object; or, if this shall be understood as a biological contradiction in terms, we may so far modify the claim as to say, that through its promptings we act, for the reason that we should not.

In theory, no reason can be more unreasonable, but, in fact, there is none more strong. With certain minds, under certain conditions, it becomes absolutely irresistible. I am not more certain that I breathe, than that the assurance of the wrong or error of any action is often the one unconquerable force which impels us, and alone impels us to irresistible action. Nor will this overwhelming tendency to do wrong for the wrong's sake, admit of philosophical analysis, or scientific resolution into ulterior elements. It is a radical, a primitive impulse-elementary part of human nature.

It will be said, I am aware, that when we persist in acts because we feel we should not persist in them, our conduct is but a modification of that which ordinarily springs from the defensiveness of popular views of the mind. But a glance will show the error of this idea. The defensiveness of what we might dub, 'folk psychology' has for its essence, the necessity of rationalizing our own behaviors. It is our safeguard against injury to our self-concept. Its principle regards our psychological well-being; and thus the desire to be well is coordinated simultaneously with its development. It follows, that the desire to be well-adjusted individuals must be balanced simultaneously with any principle which shall be merely a modification of animal-like aggression toward others, but in the case of that something which I term 'perverseness', the desire to be well-adjusted individuals is not only not aroused, but a strongly antagonistical sentiment, a primitive self-destructive combative emotional disposition exists in every human being, everywhere.

An appeal to one's own heart is, after all, the best reply to the kind of deceptive, folk-psychology bullshit in currency today. No one who trustingly consults and thoroughly questions his own inner-self, will be disposed to deny the entire radicalness of the propensity in question. It is a more obvious truth about human nature even than it is paradoxical fact about the mind. There lives no person who at some period has not been tormented, for example, by an earnest desire to tantalize a listener by subtly evasive talk. The speaker is aware that he displeases; still, he has every intention to please, such a person might usually be curt, precise, and clear, the most concise and illuminating language is struggling for utterance upon his tongue, it is only with difficulty that he restrains himself from giving it flow; he dreads and deprecates the anger of him whom he addresses; yet, the thought strikes the speaker, that by certain intricacies and complexities and by little additions now and then this anger of the listener may be carefully stocked. That tiny seed of a thought toward evasiveness in the speaker is enough. The impulse increases to a wish, the wish to a desire, the desire to an uncontrollable longing, and the longing (to the deep regret and embarrassment of the speaker, and in defiance of all consequences) is then indulged.

Or again, suppose we have a task before us which is of some urgency to be performed. We know that it will be ruinous to make delay. Maybe even the most important crisis of our life calls, trumpet-tongued, for immediate energy and action. We glow, we are consumed with eagerness to commence the work, with the anticipation of whose glorious result our whole mind is begging to take on the task. It must, it shall be undertaken today, and yet we put it off until tomorrow, and why? There is no answer, except that we feel perverse, obstinately persisting in the error of our own fault; wrongly self-willed or stubborn, and without our even being aware of it. Tomorrow arrives, and with it a more impatient anxiety to do that to which we've committed ourselves so strongly, but with this very increase of anxiety arrives, also, a nameless, a positively fearful, because unfathomable, craving for delay. This craving gathers strength as the moments tick by. The last hour for action is at hand. We tremble with the violence of the conflict within us, -- of the definite with the indefinite -- of the substance with the shadow. But, if the wrestling with ourselves proceeded thus far, it is the shadow which prevails, -- we struggle in vain. The clock strikes, and is an ominous sound for our happiness. At the same time, this odd and irrational delay on our part is a funeral song, somber notes to the ghost that has so long overawed us. But then it suddenly flies away at the last possible second -- it disappears -- we are free. The old energy returns. We will labor now surely! Alas, by that time it is however, by far, too late for action!

We now stand upon the brink of a precipice. We peer into the abyss -- we grow sick and dizzy. Our first impulse is to shrink from the danger. Unaccountably we remain. By slow degrees our sickness and dizziness and horror become merged in a cloud of unnamable feeling. By gradations, still more imperceptible, this cloud assumes shape, as did the vapor from the bottle out of which arose the genie in the Arabian Nights. But out of this our cloud upon the precipice's edge, there grows into palpability, a shape, far more terrible than any genie or any demon of a fairy-tale, and yet it is but a thought, although a fearful one, and one which electrifies the very marrow of our bones with the fierceness of the delight of its horror. It is equal to the idea of what would be our sensations during the first few seconds of a fall from a great height. And this fall -- this rushing annihilation- for the very reason that it involves that one most despicable and loathsome of all the most despicable and loathsome images of death and torture which have ever presented themselves to our imagination -- for this horrid, contemplated act do we now most vividly desire, we both loathe it and yet lust for it. And because our reason violently claws us away from this brink, therefore we want it all the more so. There is no passion in nature so demoniacally impatient, as that of a person who, shuddering upon the edge of a precipice, thus meditates a jump to his own doom. To indulge, just for a moment, in any attempt at the thought, is to be inevitably lost; for even a tiny bit of reflection would urge us to halt such an insane commitment to act, and therefore it is, I claim, that we cannot halt it. If there be no friendly arm to check us, or if we fail in a sudden effort to drag ourselves backward from the abyss, we will plunge, and be destroyed by our own now fragmented will.

Examine these similar actions as much as we will; nevertheless, we shall find them resulting solely from the spirit of the perverse. We perpetrate them because we feel that we should not. Beyond or behind this there is no reasoned motivation nor rational goal; and we might, indeed, deem this perverseness a direct instigation of some unholy, medieval demon, were it not occasionally for the blind luck of random chance allowing people to occasionally live through such horrid acts.

I have brought up this whole issue, that in some measure I may answer your question, that I may explain to you why I am here as I am now, that I may assign to you something that shall have at least the faint aspect of a cause for my wearing these orange coveralls, and for my tenanting this cell on death row. Had I not been so careful to expand on the issue, you might either have misunderstood me altogether, or, like other slack-jawed ignoramuses, have fancied me insane. As it is, you will easily perceive that I am one of the many uncounted victims of this perversity, this Seed of Evil found in every human being.

It is impossible that any one's deed could have been wrought with a more thorough deliberation. For weeks, for months, I pondered upon the means of the murder. I rejected a thousand schemes, because their accomplishment involved a chance of detection. At length, in reading some french memoirs, I found an account of a nearly fatal illness that occurred to Madame Pilau, through the agency of a scented candle accidentally poisoned. The idea struck my fancy at once. I knew my victim's habit of reading in bed. I knew, too, that his apartment was narrow and ill-ventilated. But I need not irritate you with impertinent details. I need not describe the easy artifices by which I substituted, in his bed-room night-stand, a cotton wick of my own making for the one which I there found. The next morning he was discovered dead in his bed, and The Coroner's verdict was -- "Death by accidental aerosol poisoning."

Having inherited his estate, all went well with me for years. The idea of detection never once entered my brain. Of the remains of the fatal wick I had myself carefully disposed. I had left no shadow of a clue by which it would be possible to convict, or even to suspect me of the crime. It is inconceivable how rich a feeling of satisfaction arose in my heart as I reflected upon my absolute security from detection. For a very long period of time I was accustomed to revel in this feeling. It afforded me more real delight than all the mere financial advantages accruing from my dastardly deed. But there arrived at length a barely discernible moment, from which the pleasurable feeling grew, by scarcely perceptible gradations, into a haunting and harassing thought. It harassed because it haunted. I could scarcely get rid of it for an instant. It is quite a common thing to be thus annoyed with the recurrence in our ears, or rather in our memories, of the burden of some ordinary song, or some unimpressive snatches from an advertisement repeated ad nauseam on the radio or TV. Nor will we be the less tormented if the song in itself happens to be good, or the music's style to be our preferred. In this manner, at last, I would perpetually catch myself pondering upon my security from detection, and repeating, in a low undertone, the phrase, "I am safe."

One day, while sauntering around a mall, I caught myself up short in the act of murmuring, half aloud, certain customary words. But in a fit of irritability, I now said them thus; "I am safe -- I am safe- yes -- if I'm not fool enough to make open confession!"

No sooner had I spoken these words, than I felt an electric chill creep toward my heart. I had had some experience in these fits of perversity, (whose nature I earlier took some trouble to explain), and I remembered well that in no instance had I ever successfully resisted their attacks. And now my own casual self-suggestion that I might possibly be fool enough to confess the murder of which I had been guilty, confronted me, as if it were the very ghost of him whom I had murdered -- and beckoned me on to death.

At first, I made an effort to shake off these nightmarish thoughts. I walked vigorously -- faster -- still faster -- at length I ran. I felt a maddening desire to shriek aloud. Every succeeding wave of thought overwhelmed me with new terror, for, alas! I well, too well understood that merely to think such, in my situation, was to be lost. I still more quickened my pace. I bounded like a madman through the crowded stores, stumbling down escalators, racing through the expansive mall-ways. At length, people took alarm, and security took pursuit. I felt then the consummation of my fate. If I could have torn out my tongue, I would have done it, but a rough voice resounded in my ears -- a rougher grasp seized me by the shoulder. I turned -- I gasped for breath. For a moment I experienced all the pangs of suffocation; I became blind, and deaf, and giddy; and then some invisible fiend, I thought, struck me with his broad palm upon the back. The long imprisoned secret burst forth from some deepest, hidden part of my mind.

They say that I spoke with a distinct enunciation, but with marked emphasis and passionate hurry, as if in dread of interruption before concluding the brief, but pregnant sentences that consigned me to the injection chamber and to hell.

Having related all that was necessary for the fullest judicial conviction, I collapsed into blackness.

But why shall I say more? Today I wear this orange, and sit alone in a steel and concrete cell, and am here! Tomorrow I shall be cell-less! -- but where?

The End



REFERENCES

[ * ] Poe's original (p. 1845/46) story can be found here:
Edgar Allan Poe "The Imp of the Perverse" Classic Literature About.com (Accessed July 7, 2009)

[ * ] I was motivated to do an updated translation of Poe's essay by an article I recently read in The New York times:
Benedict Carey "Why the Imp in Your Brain Gets Out" New York Times July 6, 2009.

[ * ] Mr. Carey's story relies on the following recently published scientific paper:
Daniel M. Wegner, "How to Think, Say, or Do Precisely the Worst Thing for Any Occasion" Science 3 July 3 2009:Vol. 325. no. 5936, pp. 48 - 50. DOI: 10.1126/science.1167346

[ * ] If you enjoyed this paraphrase, and can think other Victorian Era English essays which might be effectively translated into 21st century concepts, I hope you'll take the time to link them by means of your comments. -- B.A.M.

O.

Labels: , , , , , , , ,

Friday, January 23, 2009

On Going Grey


I'll admit I'm seeing a bit of winter sneak in, even though it's but around July 15th for my metaphorical year of aging. Always good to know my odds, however:
"Basically, people gray as they grow older," said osteopath Tyler Cymet, vice president of medical education at the American Association of Colleges of Osteopathic Medicine who practices at Northwest Hospital outside Baltimore. [...] The average white male goes about 30 percent gray at the age of 34, "give or take nine years," Cymet told ABCNews.com. African-Americans hit the 30 percent gray mark at 44 years old, plus or minus 10 years. After the head turns 30 percent gray, it is another two to seven years until a person is fully gray. About 50 percent of all people are graying by 50.
I learned such life-changing facts upon reading an article evaluating Obama's noticeable new shade. Apparently he is three years away from that magic age of 50.

The color of your hair is determined by the amount of distribution of the pigment known as Melanin. When one ages, the body produces less Melanin so hair gradually becomes gray or white. As one manufactures less Melanin -- Alas! -- one acquires more gray hair.

I suppose I should count myself lucky, since baldness doesn't seem to run in my family -- at least if baldness is considered less attractive, which is controversial. But my father was luckier. Not only did he not have any baldness to speak of, he had a kind of silver-steel colored hair that gave him a natural camouflage from acquired graying. I had a fourth-grade social studies teacher that had silver hair also. No telling how old that guy was. I guess the life-long silver haired people appear older earlier, but appear (relatively) younger longer. I wonder if that's a bug or a feature in their genome?

O.

REFERENCES

[image] Ming Chen "Scanning Electron Microscope Pictures" University of Alberta Website (Accessed Jan 19, 2009)

[1] "Age or Stress? The Graying of Barack Obama" ABC News Jan. 19, 2009.

Labels: , , , ,

Monday, September 08, 2008

Petabyte management



A gigabyte means nothing today, and storage technology is now being thought of in terms of terabyte units. Recent advances in harddrive technology have made such adjustments in thinking possible. But I recently ran across a quote which gives some indication of just how big a management problem Petabyte database storage would present. (A petabye is 10 to 15th bytes, equaling a quadrillion bytes.) Apparently, the advance of scientific instruments for measuring and collecting data far outstrip our ability to store such data. Alex Szalay, writing a commentary for Science News, gives a good sketch of the problem:
"Today, you can scan one gigabyte of data or download it with a good computer system in a minute. But with current technologies, storing a petabyte would require about 1,500 hard disks, each holding 750 gigabytes. That means it would take almost three years to copy a petabyte database -- and cost about $1 million"[1]
Of course if you have a moderate system, with standard U.S. broadband, you could actually send a petabyte to Hong Kong by sailboat faster than you could move it over the internet. Jonathan Schwartz makes just this kind of claim, giving his explanation in the following:
"So if you had a half megabit per second internet connection, which is relatively high in the US (relatively low compared to residential bandwidth available in, say, Korea), it'd take you 16 billion seconds, or 266 million minutes, or 507 years to transmit the data. Can you sail to Hong Kong faster than that? At a full megabit, just divide the time in half. Even at a hundred megabits (about the highest, generally available, of any carrier I've seen), it's a few years. [....] So yes, at least for now, it's faster to send a petabyte of data via a sailboat than the internet (at least defined by the bandwidth to which most of us have access)."[2]
There's probably good reason to think that sending a petabyte of data is a temporary problem, as increases in the technology of storage capacity and bandwidth move along at quite a clip. So transmitting a petabyte of data probably won't be much of an issue. However, as sensor technology will also be advancing, so we're probably in the permanent position of always being able to collect more data than we can comfortably transmit and store. This is probably some sort of corollary to a personal computer purchasing rule I read about some years ago, but which is still true today: The computer you want is always $5,000 more than you can afford.

REFERENCES

[image] "Magnetic Data Storage: Bits per dollar in constant yr. 2000 dollars" Singularity.com (Accessed Sept. 8, 2008)

[1]Alex Szalay, "Preserving digital data for the future of eScience" Science News August 30, 2008.

[2] Jonathan Schwartz "Moving A Petabyte of Data" Jonathan's Blog Mar 12, 2007 (Accessed Sept. 8, 2008)

O.

Labels: , , , ,

Wednesday, December 05, 2007

NOVA program on Evolution and the Dover, PA Decision



I just recently watched a PBS NOVA program on the big Evolution vs. (so-called) Intelligent Design Case in Dover, PA. As a part of the transcript from the program states:
In 2004, the Dover school board ordered science teachers to read a statement to high school biology students suggesting that there is an alternative to Darwin's theory of evolution called intelligent design—the idea that life is too complex to have evolved naturally and therefore must have been designed by an intelligent agent. The teachers refused to comply. Later, parents opposed to intelligent design filed a lawsuit in federal court accusing the school board of violating the constitutional separation of church and state.
You can watch the whole program on-line, and it is one of the best NOVAs I've seen. I recently spent a few hours in a seminar with a couple of the luminaries who were testifying for the Plaintiff's (pro-evolution party in the legal suit). The personality of Ken Miller is well represented in how he appears in this program. The NOVA site for the program also has several podcasts of interest. I especially liked the one which interviewed the judge in the case.

REFERENCES

[1] "Judgement Day: Intelligent Design on Trial" NOVA PBS.org (Accessed 12/02/07).


O.

Labels: , , , ,

Friday, November 23, 2007

Stem cell breakthrough announced


The New York Times was reporting yesterday that a new method of creating stem cells has finally been discovered. In some ways this validates the charges of those who said the first way (which used developing embryos) was being rushed into technological implementation without consideration of other possible methods.

Happily, the guy who was the brunt of the controversy for using the old embryonic method is the same guy who came up with the new method. Here is a short review of what stem cells are:
Stem cells, universal cells that can turn into any of the body’s 220 cell types, normally emerge only fleetingly after a few days of embryo development. Scientists want to use them to study complex human diseases like Alzheimer’s or Parkinson’s in a petri dish, finding causes and treatments. And, they say, it may be possible to use the cells to grow replacement tissues for patients.[1]
I am most excited about the option for growing replacement tissue. This might be the magic bullet that fixes the problem of too few organs for too many organ transplant needs. One could grow the specific type of tissue for organ repair, or perhaps even grow a second-organ on site and then do a "parts swap" within a patient.

Also, this might solve many issues in what is called xenotransplantation -- the act of transplanting organs or tissue material between two species. At first it was thought that one would take stem cells from animals, which have not specialized much, and therefore were less likely to provoke an immune response in humans. Those cells could then be harvested at some timely moment in development for use in humans. (Today faulty human heart valves are routinely replaced with ones taken from cows and pigs, so xenotransplantation is already a reality; doctors are now just wanting to extend the process.) However, with this new discovery, the stem cells used can be human cells, so perhaps the animals could be surrogate carriers for the developing human organ, and then the human organ gets removed when it has fully matured. A dozen years ago, congress had to ban research on human embryos, but science professed nonetheless.



REFERENCES

[1] Gina Kolata, "Man Who Helped Start Stem Cell War May End It" New York Times November 22, 2007

O.

Labels: , , ,

Monday, May 07, 2007

Three Republican Stooges vs. Science: who *not* to vote for



{ Audio this essay @ .5MB @ 3Min. } Last Thursday night when the Republican party’s 10 candidates for president were trying to introduce themselves to the American consciousness, they were asked whether they believed in Evolution. Three of these — Senator Sam Brownback of Kansas; Mike Huckabee, former governor of Arkansas; and Representative Tom Tancredo of Colorado — indicated they did not believe in Evolution.

Such a position by any politician is a deal-breaker for obtaining my vote. It shows one (or perhaps both) of two things: (1) that such a politician is inadequately educated in the sciences so as to be unworthy to lead at a national level; or, (2) that s/he is the kind of politician willing to lie about his or her personal beliefs in order to appease a scientifically illiterate constituency, so as to stay in, or gain, political power.

On flaw one, such a pseudo-leader could not make informed policy decisions about stem-cells or other biology-based technology advances. Thus, the economy and scientific literacy of a nation is threatened, which is not in the best interests of the American voter.

On flaw two, instead of trying to inform and educate the constituency, such a pseudo-leader chooses to lie in order to remain (or gain) power; thus, these types of flawed politicians greatly increase the likelihood of implementing dangerously inadequate policies which make the uninformed and/or voluntarily ignorant the standard for policy evaluation. (Note: although there are indeed times that a politician should publicly lie in the best interests of a nation, lies about long- and well- established scientific issues are never in that best interest.)

In light of just these simple concerns, a scientifically informed and responsible conservative should not vote for these three stooges:

Sam Brownback, Senator - Kansas
Mike Huckabee, ex-governor - Arkansas
Tom Tancredo,. Representative - Colorado


O.

Labels: , , , , ,