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Archive for the ‘General science’ Category

Irrational rationality

Sunday, January 20th, 2008

“We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. We might get away with it for a while, but sooner or later this combustible mixture of ignorance and power is going to blow up in our faces.”
Carl Sagan

We seem to be in the midst of a retreat from rationality. At least, so say many commentators in the media at present, and judging by the online comments to their articles, many people appear to agree with them. They point to the rise of ‘New Ageism’ and other assorted ‘illogical’ beliefs like complementary and alternative therapies, bemoaning the failure of Joe Public to take on board the principles of robust science and calling for ever more stringent controls on the spread of such ‘preposterous nonsense’.

In many ways they seem to be right. Though whether this is any kind of ‘retreat’, who can say? Throwing the spotlight on areas that have been lurking in shadow often creates an illusion of some kind of a trend when really things have always been that way. We just didn’t see them before.

But as to where the ‘new’ irrationallism is evidencing itself, well that’s another matter entirely. More and more it seems as if the accusatory finger ought to be pointing straight at its owner’s own reflection in the mirror.

As Holmes et al wrote in a 2006 paper entitled Deconstructing the evidence-based discourse in health sciences: truth, power and fascism. International Journal of Evidence Based Health 2006; 4: 180–186,

“… the evidence-based movement in the health sciences is outrageously exclusionary and dangerously normative with regards to scientific knowledge. As such, we assert that the evidence-based movement in health sciences constitutes a good example of microfascism at play in the contemporary scientific arena. The philosophical work of Deleuze and Guattari proves to be useful in showing how health sciences are colonised (territorialised) by an all-encompassing scientific research paradigm – that of post-positivism – but also and foremost in showing the process by which a dominant ideology comes to exclude alternative forms of knowledge, therefore acting as a fascist structure.”

Such behaviour might be understandable, but it’s neither rational, nor scientific. The scientific method dictates that theory must always give way to evidence and that, no matter how successful the theory, if the evidence challenges it, then it’s the theory that must adapt. Successful theories mustbe able to explain and predict events which they attempt to describe with precision. Yet increasingly we’re seeing attempts to preserve scientific orthodoxy by denial of conflicting evidence.

At this point in time we’re presented with a situation summed up very well in a 2002 paper by Richard Shoup, Anomalies and Constraints:. Can Clairvoyance, Precognition, and Psychokinesis. Be Accommodated within Known Physics? Journal of Scientific Exploration, 2002; 16; 1, pp3–18.

“Arguably, nowhere in the history of mankind has common human experience so strongly conflicted with mainstream scientific opinion.”

The paper refers to psi phenomena, but Shoup could just as well have been writing about medicine. Crtically, since science can only ever reflect a uniquely human understanding of a uniquely human experience of existence, this discontinuity throws into stark relief the extent to which science is failing its own precepts. Science has become scientism.

It’s interesting too, in this context, that we’re seeing a rise in fundamentalist interpretations of scientific theory which seem to closely parallel the rise in religious fundamentalism. Both are pursued with missionary zeal by some very noisy and angry people. Both seek to make their points of view “the rule” for everyone else to abide by.

Perhaps this is no bad thing in some ways – such attempts to enforce rules which make little sense to large numbers of people generally result in people rejecting them in favour of something more sensible. It doesn’t take too much imagination to see that the fundamentalists could soon end up as marginalised minorities while the rest of us adopt a more pragmatic and humane approach to a genuine congruence with experience in both science and spirituality.

“In the Garden of gentle sanity may you be bombarded by coconuts of wakefulness.”
Vidyadhara Chögyam Trungpa Rinpoche



Landmarks in stupidity

Friday, June 15th, 2007

DNA

“Two things are infinite: the universe and human stupidity … and I’m not sure about the universe.”
Albert Einstein

Received a link this morning to a PBS news report ‘Landmark’ Study Changes Long-held DNA Beliefs posted yesterday. The report begins:

“A four-year international study of the human genome has prompted scientists to rethink some of their most basic ideas about how DNA functions.

“The researchers found that individual genes interact with one another in more complex ways than previously suspected. They also found that large stretches of DNA once called “junk DNA” because they had no known purpose may actually play a significant role in regulating biological processes.”

Is this really any surprise? What seems far more incredible is that scientists should have possessed the arrogance and ignorance to label sections of DNA as ‘junk’ just because they had no idea what its function was!



No lightweight matter

Friday, June 1st, 2007
3c438 optical
3c438 xray

In this comparison, an apparently ordinary star field in optical light (above) is shown to be dramatically different when observed in X-rays (below). Chandra’s image of 3C438, the central galaxy within a massive cluster, reveals evidence for one of the most energetic events in the local Universe.

Following last month’s proving-inspired addition of a new article to the site (Does it matter?) which, among other things, suggests that black holes are massless, an interesting discovery has been reported by NASA.

“Astronomers using NASA’s Chandra X-ray Observatory have found evidence for an “awesome upheaval” in a massive cluster of galaxies. A bright arc of ferociously hot gas extending more than two million light years requires one of the most energetic events ever detected.”

“The huge feature we detected in the cluster combined with its high temperature (170 million°C) points to an exceptionally dramatic event in the nearby Universe,” says Ralph Kraft of the Harvard-Smithsonian Center for Astrophysics, leader of a team of astronomers involved in this research. “While we’re not sure what caused it, we have narrowed it down to a couple of exciting possibilities.”

“There is no reality in the absence of observation.”
Neils Bohr & Werner Heisenberg

Two possible explanations are offered. Either a collision between two large galaxies or a supermassive black hole. The observed data favours the latter explanation since there is only a single source for the massive emission of energy. The really interesting part comes right at the end.

“If this event was an outburst from a supermassive black hole, then it’s by far the most powerful one ever seen,” says team member Bill Forman, also from the Center for Astrophysics.

The phenomenal amount of energy involved implies a very large amount of mass swallowed by the black hole, about 30 billion times the Sun’s mass consumed over a period of 200 million years. The authors consider this rate of black hole growth implausible.

“These values have never been seen before and, truthfully, are hard to believe,” notes Kraft. Until these issues are sorted out, the awesome upheaval remains a mystery.

3c438 jets

A radio map of 3C438 reveals jets spewing from the galaxy’s core – a sign of explosive activity.

It is indeed highly implausible that a black hole could have ‘swallowed’ such an incredible amount of matter, but then the whole idea of black holes swallowing and compressing matter to the extent suggested by the prevailing theory is rather implausible to begin with. It’s good to see that astrophysicists have now been brought to the point where a re-evaluation of present theory is apparently being demanded by this discovery.

“All life is only a set of pictures in the brain, among which there is no difference betwixt those born of real things and those born of inward internal dreamings, and no cause to value the one above the other.”
H P Lovecraft



Bees on their knees

Monday, April 16th, 2007

Honey bee on wax flower

“It is becoming ever more obvious that it is not famine, not earthquakes, not microbes, not cancer but man himself who is man’s greatest danger to man, for the simple reason that there is no adequate protection against psychic epidemics which are infinitely more devastating than the worst of natural catastrophes.”
Carl Gustav Jung

More and more publicity is being given to the alarming collapse in bee populations in the US and Europe, the latest being in yesterday’s Independent in an article entitled Are mobile phones wiping out our bees?

“It seems like the plot of a particularly far-fetched horror film. But some scientists suggest that our love of the mobile phone could cause massive food shortages, as the world’s harvests fail.

“They are putting forward the theory that radiation given off by mobile phones and other hi-tech gadgets is a possible answer to one of the more bizarre mysteries ever to happen in the natural world – the abrupt disappearance of the bees that pollinate crops. Late last week, some bee-keepers claimed that the phenomenon – which started in the US, then spread to continental Europe – was beginning to hit Britain as well.

“The theory is that radiation from mobile phones interferes with bees’ navigation systems, preventing the famously homeloving species from finding their way back to their hives. Improbable as it may seem, there is now evidence to back this up.

“Colony Collapse Disorder (CCD) occurs when a hive’s inhabitants suddenly disappear, leaving only queens, eggs and a few immature workers, like so many apian Mary Celestes. The vanished bees are never found, but thought to die singly far from home. The parasites, wildlife and other bees that normally raid the honey and pollen left behind when a colony dies, refuse to go anywhere near the abandoned hives.

“The alarm was first sounded last autumn, but has now hit half of all American states. The West Coast is thought to have lost 60 per cent of its commercial bee population, with 70 per cent missing on the East Coast.”

The article goes on to say:

“The implications of the spread are alarming. Most of the world’s crops depend on pollination by bees. Albert Einstein once said that if the bees disappeared, “man would have only four years of life left”.

“No one knows why it is happening. Theories involving mites, pesticides, global warming and GM crops have been proposed, but all have drawbacks.”

However, looking into more detailed, balanced and less sensationalist commentaries on the subject, such as the article on Colony Collapse Disorder in Wikipedia and the work of the Colony Collapse Disorder Working Group, based primarily at Penn State University, a different picture begins to emerge.

Firstly, although wild and feral populations have been under stress for many years from habitat destruction, urbanisation, pesticide misuse, crop pattern changes and probably cellphone use as well, the phenomenon appears to be limited to ‘farmed’ bees — colonies kept and managed as commercial enterprises, and in particular, those of large commercial migratory beekeepers, some of whom have lost 50-90% of their colonies. Large-scale non-migratory enterprises are affected to a lesser extent. Large-scale migratory enterprises developed with the advent of modern hive construction, allowing colonies to be transported long distances and keepers to make a business from pollination services as well as, or instead of, honey production. The traditional small-scale self-employed beekeeper has been relegated to the status of little more than hobbyist.

Migratory beekeepers

US migratory beekeepers loading tractor-trailer load of bees for transport from South Carolina to Maine to pollinate blueberries.

According to Wikipedia:

“Honey bees are not native to the Americas, therefore their necessity as pollinators in the US is limited to strictly agricultural uses. They are responsible for pollination of approximately one third of the United States’ crop species, including such species as: almonds, peaches, soybeans, apples, pears, cherries, raspberries, blackberries, cranberries, and strawberries; many but not all of these plants can be (and often are) pollinated by other insects, including other kinds of bees, in the US, but typically not on a commercial scale. While some farmers of a few kinds of native crops do bring in honey bees to help pollinate, none specifically need them, and when honey bees are absent from a region, the native pollinators quickly reclaim the niche, typically being better adapted to serve those plants (assuming that the plants normally occur in that specific area).”

In other words, the critical crops affected are non-indigenous, artificially grown and maintained by man-made means, and are not part of the natural ecosystem of the area. So quoting Einstein and invoking the spectre of a worldwide disaster seems a little premature. (The dependence of the US agrarian economy on managed pollination is a direct result of pursuing large-scale monoculture which is naturally prone to catastrophic failure due to its inflexibility and lack of diversity.)

Secondly, the die-off has been logged for a good 35 years, progressively increasing over time such that between 1971 and 2006 it’s estimated that 50% of the US population of the Western honey bee (Apis mellifera) has disappeared. In late 2006 and early 2007, the rate of losses reached new heights and the term ‘Colony Collapse Disorder’ was coined to describe this more catastrophic turn of events.

Before the CCD label was attached to the phenomenon, it was variously known as autumn collapse, May disease, spring dwindle, disappearing disease, and fall dwindle disease, reflecting the fact that most die-offs were occurring at the change in seasons. The search for the cause has concentrated primarily on pathogens, pesticides, mites, genetically modified (GM) crops and cellular phone signal proliferation which have all been proposed as causative agents.

A preliminary survey by the Colony Collapse Disorder Working Group revealed that a period of “extraordinary stress” affected the colonies in question prior to the die-off. To date, this is the only factor that all of the reported cases of CCD have in common. Most often, the stress involved poor nutrition and/or drought.

Some researchers have attributed the syndrome to the practice of feeding high fructose corn syrup (HFCS) and protein supplements to augment winter stores. This was common to most beekeepers in Penn State’s survey. Most beekeepers affected by CCD report that they use antibiotics and miticides in their colonies, though the lack of uniformity as to which particular chemicals are used makes it seem unlikely that any single such chemical is involved. Others have identified the characteristics of immune disorders, similar to AIDS in humans. Specifically, according to researchers at Penn State: “The magnitude of detected infectious agents in the adult bees suggests some type of immunosuppression.”

The picture rapidly emerging from all this is of yet another species falling victim to large-scale commercially-driven farming methods. Limited genetic diversity combined with the cumulative effects of high doses of artificial feedstuffs (one of the early symptoms of impending CCD is that the colony is reluctant to consume provided feed, such as sugar syrup and protein supplement), repeated antibiotic and pesticide treatments, unnatural environments and lifestyle (migratory keepers regularly transport their hives considerable distances, often across different climate zones which, for a creature with sophisticated navigation relying on precise environmental orientation, can only be enormously stressful and disturbing), all contributing to severely degraded immune systems in chronically-stressed insects. This leads to massive numbers of fatalities in the adult worker population in times of extra stress, and as immune deficiency increases, so the stress threshold becomes progressively lower, hence die-offs no longer occur just at change of seasons or periods of drought and low food supply. Note that it’s the adult worker bees that are affected – the bees most likely to suffer from repeated dislocation.

Toxic chemical load is among the mechanisms which are more realistically proposed as causes of AIDS in humans.

When is the human race going to learn that we can’t go on employing short-sighted unidimensional linear logic in relation to living systems? It results in such crazy practices as increasing the toxic chemical load (antibiotics and miticides) in response to illness which is inevitably produced by our unnatural, inhumane and artificial chemical-based husbandry methods. The fact that commercial bee populations are dying off in such large numbers really isn’t at all surprising. The only thing to be wondered at is the resilience of the species in surviving for so long in the face of such an onslaught.

“Reality cannot be found except in One single source, because of the interconnection of all things with one another.”
Gottfried Leibniz



Dumb and dumber

Tuesday, March 6th, 2007

Coffee

Is it just me, or has the standard of what pases for ‘science’ and scientific reporting sunk even further into the dregs? The BBC News website today features a piece entitled “Coffee ‘no boost in the morning‘” claiming that coffee doesn’t actually provide stimulation, it just negates its own ‘withdrawal’ symptoms. This stupefyingly trite study from the University of Bristol, led by Professor Peter Rogers, a biological psychologist, claims “We do feel a boost from caffeine in the morning, but that’s probably due to a reversal of the withdrawal symptoms.That alertness you feel is you getting back to normal, rather than to an above normal level.”

And this makes the front page of the BBC News site … ?

Aside from the obvious fact that the morning cup of coffee does indeed pick us up, whether it’s merely to pull us out of the doldrums of the previous cup or not, the biphasic action of drugs is something that’s been well known and documented for centuries, so why exactly it was deemed necessary to produce some (no doubt costly) ‘scientific’ study to reiterate a matter of common sense experience, heaven only knows. This really does plumb new depths of banality. In the first phase of its action, caffeine is stimulatory. In the second phase, it’s inhibitory. Push the pendulum in one direction and it swings back in the other. That’s the story folks! That’s all there is to it.

In order to try and percolate something newsworthy out of this pointless nonscience, Professor Rogers makes all sorts of sweeping generalisations about people’s coffee drinking habits in an attempt to justify a judgement about coffee itself that is patently unsupported by the facts. Whether or not you time your next cup of coffee to coincide with the moment your metabolism gets into the previous cup’s inhibitory phase is entirely up … or perhaps I should say down … to you. Regular and frequent drinkers will tend to a level of habituation – again, a common feature of any repetitive drug taking regime, and common knowledge since man and stimulants first made each others acquaintance. So it will indeed be the case that for some the stimulatory phase of the fresh cup short-circuits the inhibitory phase of the last and provides little additional benefit apart from increasing caffeine dependence, but this is not exactly rocket science. Or news. If this is an example of how the University of Bristol’s professors (not to mention BBC journalists) justify their titles and salaries, then some serious questions ought to be asked by the governors and funders of these institutions. And we, as members of the public, should be asking ourselves what kind of idiots these so-called experts take us for if they expect us to swallow this as representative of worthy science without choking on our morning cuppas.

In its obligatory ‘balanced’ reporting remit, Auntie canvasses the British Coffee Association for a soundbite. Zoe Wheeldon, the association’s representative, said the research was “interesting”.

“But she added: “There are two sides to the debate and a wealth of scientific evidence suggests that moderate coffee consumption of four to five cups per day is perfectly safe for the general population and does have a beneficial effect on alertness and performance even in regular coffee drinkers.”"

This is a debate?! And moderate coffee consumption = 4-5 cups per day?!! I’d hate to guess at what their idea of serious coffee consumption amounts to, or at what the “wealth of scientific evidence” comprises when studies such as those produced over 2 years ago by the University of Athens and Harokopio University found that drinking more than 200ml per day increased the chances of cardiovascular inflammation.

But never let it be said that science stands in the way of profit.

BTW I’m not some rabid anti-coffee campaigner … I enjoy a good cup of coffee as much as the next person (though more than one cup in a day would have me climbing the walls), but “research” like this would be just a joke if it weren’t such an appalling indictment of the quality of today’s university level ‘scientific’ exploration.



DISCLAIMER
Thanks to the current insanity revolving around homeopathy in this country, in both media and blogosphere, it's become necessary to insult your intelligence by explicitly drawing your attention to the obvious fact that any views or advice in this weblog/website are, unless stated otherwise, the opinions of the author alone and should not be taken as a substitute for medical advice or treatment. If you choose to take anything from here that might be construed as advice, you do so entirely under your own recognisance and responsibility.

smeddum.net - Blog: Confessions of a Serial Prover. Weblog on homeopathy, health and related subjects by homeopathic practitioner Wendy Howard