Research

Software is eating..

Comparison of the accuracy of human readers versus machine-learning algorithms for pigmented skin lesion classification: an open, web-based, international, diagnostic study.

You can dice the results in various ways, but software is indeed eating the world — and the clinic. The (slow) transition to this new world will be interesting and eventful. A good spectator sport for some of us. (Interesting to note that this study in Lancet Oncology received no specific funding. Hmmm).

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What is science for: dangerous thoughts.

The quote below was from a piece in the Lancet by Richard Horton.

Reading [Bertrand]Russell today is a resonant experience. Existential fears surround us. Yet today seems a long way from the dream of Enlightenment. Modern science is a brutally competitive affair. It is driven by incentives to acquire money (research funding), priority (journal publication), and glory (prizes and honours). Science’s metrics of success embed these motivations deep in transnational scientific cultures. At The Lancet, while we resist the idea that Impact Factors measure our achievements, we are not naive enough to believe that authors do not judge us by those same numbers. It is hard not to capitulate to a narrow range of indicators that has come to define success and failure. Science, once a powerful force to overturn orthodoxy, has created its own orthodoxies that diminish the possibility of creative thought and experiment. At this moment of planetary jeopardy, perhaps it is time to rethink and restate the purpose of science.

Offline: What is science for? – The Lancet

I am just musing on this. We like to think that ‘freedom’ was necessary for a modern wealthy state. We are not so certain, now. We used to think that certain freedoms of expression underpinned the scientific revolution. We are having doubts about this, too. Maybe it is possible to have atom bombs and live in a cesspool of immorality. Oops…

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Precision medicine and a den of robbers

I have removed the name of the institution only because so many queue to sell their vapourware in this manner

Precision Medicine is a revolution in healthcare. Our world-leading biomedical researchers are at the forefront of this revolution, developing new early diagnostics and treatments for chronic diseases including cancer, cardiovascular disease, diabetes, arthritis and stroke. Partnering with XXXXX, the University of XXXX has driven … vision in Precision Medicine, including the development of a shitload of infrastructure to support imaging, molecular pathology and precision medicine clinical trials……  XXXXXX is now one of the foremost locations in a three mile radius to pursue advances in Precision Medicine.

And He declared to them, “It is written: ‘My house will be called a house of prayer. But you are making it ‘a den of robbers.'” Matthew 21:13

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The pleasures of tenure

Mr Sammallahti is not a recluse, nor lacking in ambition. He travels the world taking photographs; a book, “Here Far Away”, was published in 2012; another, of bird pictures, comes out later this year. But he shuns the art scene, believing that commercial pressures undermine quality. He does not lecture and rarely gives interviews. In 1991 he received an unprecedented 20-year grant from the Finnish government. Its sole condition was that he should concentrate on photography, so he gave up teaching. “I want to work in peace,” he explains, “to be free to fail.”

Economist

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TEF or REF?

Smith was supported by earnings from his professorship at Glasgow, where a university teacher’s earnings depended on fees collected directly from students in the class. This contrasted with Oxford, where Smith had spent six unhappy years, and where, he observed, the dons had mostly given up even the pretence of teaching.

But Smith relinquished his professorship in 1763, and the writing of ‘Wealth…’ and the remainder of his career was financed by the Duke of Buccleuch, who as a young man employed Smith as a tutor.

Is there more to Adam Smith than free markets? | Financial Times

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Blasts from the past

Digging deep into some of my old notes, I came across this obituary of John Ziman written by Jerry Ravetz. I know both through their written work and was lucky enough to meet and chat briefly with John Ziman not long before he died. Ziman’s book “Real Science” is for me the classic account of what has happened to science as it moved from a ‘way of life’ to a job.

Jerry Ravetz writes:

I first became aware of him through his 1960 radio talk Scientists – Gentlemen Or Players?, where he observed how a career in science was starting to change, from being a vocation to being a job.

There was a paradox running through his later career, to which he must have been sensitive. He was a “Renaissance man” in a way highly desirable for a scientist, but he did not exert the influence that he might have hoped to. This was due less to the passion he deployed in argument than the times in which he found himself. The age of such eminent scientist-savants as JBS Haldane, JD Bernal and Joseph Needham was passing, while a new generation of socially responsible scientists had yet to establish itself. Those who reminded scientists of their social responsibilities were viewed with suspicion; and those who had stopped doing research were treated as defectors.

Obituary: John Ziman | Education | The Guardian

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“It appears to me, the doing what little one can to encrease [sic] the general stock of knowledge is as respectable an object of life as one can in any likelihood pursue.”

Darwin. Letter to his sisters from the Beagle. Quoted in the London Review of Books 23-May-2019, Rosemary Hill.

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Where’s the next frontier?

In a 1963 letter to molecular biologist Max Perutz, he wrote, “It is now widely realized that nearly all the ‘classical’ problems of molecular biology have either been solved or will be solved in the next decade…The future of molecular biology lies in the extension of research to other fields of biology, notably development and the nervous system.”

Sydney observed, and predicted, the flow of science: “Progress depends on the interplay of techniques, discoveries, and ideas, probably in that order of decreasing importance,” he said.

Man, the toolmaker. In this particularly case, a very special one.

Sydney Brenner (1927–2019) | Science [Obit of Sydney Brenner]

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WD (Bill) Hamilton

Scope for recognizing and accommodating exceptional individuals has been diminishing in British universities ever since. Hamilton published relatively few papers, in generally low status journals, and gained only a handful of grants much later in life. Bureaucratic measures of performance are increasingly important and judge the impact of an article only by the journal it is published in. This seriously undervalues radical originality, which although extremely rare is utterly vital to science. It is disturbing that a young Bill Hamilton today would probably find an academic career even more difficult to pursue.

Alan Grafen, in his obituary of Bill Hamilton (Biogr. Mems Fell. R. Soc. Lond. 50, 109–132 (2004)).

I post this excerpt following a discussion with somebody who had never heard of him. Hamilton’s enormous contributions to biology are not well known. You also have to wonder if the lack of a Nobel for biology diminishes medicine in the long run. Some things do indeed get worse.

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Arrogance before men; humility before your subject.

by reestheskin on 29/04/2019

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Sydney Brenner has died. Not quite the last of the handful of scientists who made one of the two scientific revolutions of the 20th century. The first half belonged to physics, the second to the biology that he co-created.

A precocious boy—a student at the University of the Witwatersrand by the time he was 15—and bullied for it, reading was his connection to the wider world. Courses, he said, never taught him anything. The way to learn was to get a book that told you how to do things, and then to start doing them, whether it was making dyes or, later in life, programming computers. If he thought more deeply than the other great biologists of his age, which he did, it was surely because he read further, too.

Reading Brenner was a staccato of insights. I hadn’t come across the ‘courses’ quote before, but no surprises there.

Obituary: Sydney Brenner died on April 5th – Irrepressible

What universities are about

by reestheskin on 08/04/2019

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James Williams worked at Google in a senior role for ten years, but has moved into philosophy at Oxford (for the money obviously….). He has written a wonderful short book, with the title “Stand out of our Light”. The name comes from a humorous account of a meeting between Diogenes and Alexander the Great (no spoilers, here).

His book is a critique of much digital technology that — to use his analogy — does not act as an honest GPS, but instead entices you along paths that make your journay longer. All in the name of capturing your attention, such that you are deflected from your intentions.

He starts chapter 3, with something comical and at the same time profound.

When I told my mother I was moving to the other side of the planet to study technology ethics at a school that’s almost three times as old as my country, she asked, “Why would you go somewhere so old to study something so new? In a way the question contained its own answer.

For me that is the power of the academic ideal.

Science and nonscience

by reestheskin on 03/04/2019

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I like statistics and spent most of my intercalated degree ‘using’ medical stats (essentially, writing programs on an IBM 360 mainframe to handle a large dataset, that I could then interrogate using the GLIM package from the NAG). Yes, the days of batch processing and punchcards. I found — and still find — statistics remarkably hard.

I am always very wary of people who say they understand statistics. Let me rephrase that. I am very suspicious of non-professional statisticians who claim that they find statistics intuitive. I remember that it was said that even the great Paul Erdos got the Monty Hall problem wrong.

The following is from a recent article in Nature:

What will retiring statistical significance look like? We hope that methods sections and data tabulation will be more detailed and nuanced. Authors will emphasize their estimates and the uncertainty in them — for example, by explicitly discussing the lower and upper limits of their intervals. They will not rely on significance tests. When P values are reported, they will be given with sensible precision (for example, P = 0.021 or P = 0.13) — without adornments such as stars or letters to denote statistical significance and not as binary inequalities (P  < 0.05 or P > 0.05). Decisions to interpret or to publish results will not be based on statistical thresholds. People will spend less time with statistical software, and more time thinking.

Scientists rise up against statistical significance

There is lots of blame to go around here. Bad teaching and bad supervision, are easy targets (too easy). I think there are (at least) three more fundamental problems.

  1. Mistaking a ‘statistical hypothesis’ for a scientific hypothesis, and falling into the trap of believing that statistical testing can operate as some sort of truth machine. This is the intellectual equivalent of imagining we can create a perpetual motion machine, or thinking of statistics as a branch of magic . The big offenders in medicine are those who like adding up other people’s ‘P’ values — the EBM merchants, keen to sell their NNT futures.
  2. The sociology of modern science and modern scientific careers. The Mertonian norms have been smashed. It is one of the counterintuitive aspects of science that whatever its precise domain of interest — from astronomy to botany — its success lies less with a set of formal rules than a set of institutional and social norms. Our hubris is to have imagined that whilst we cling to the fact that our faith in science relies on the ‘external test in reality’, we ignored how easy it is for the scientific enterprise to be subverted.
  3. This is really a component of the previous point (2). Although communication of results to others — with the goal of allowing them to build on your work — is key, the insolence of modern science policy has turned the ‘endgame’ of science into this communication measured as some ‘unit’ based on impact factor or ‘glossy’ journal brand. But there is more to it than this. The complexity of modern science often means that the those who produce the results of an experiment or observation are not in a position to build upon them. The publication is the end-unit of activity. So, some bench assay or result on animals might lead others to try and extend the work into the clinic. Or one trial might be repeated by others with little hard thought about what exactly any difference means.Contrast this with the foundational work performed by Brenner, Crick and others. Experiments were designed to test competing hypotheses, and were often short in duration — one or maybe two iterations might be performed in a day. Inaccuracy or mistakes were felt by the same investigator, with the goal being the creation of a large infrastructure of robust knowledge. Avoiding mistakes and being certain of your conclusions would allow you not to (subsequently) waste your own time. If you and your family are going to live in a house, you are careful where you lay the foundations. If you plan to build something, and then sell to make a fast buck, the incentives lie in a different place. Economists may be wrong about a lot of things — and should be silent on much more — but they are right about two important things: institutions and incentives matter. Period.

Science has been thought of as a form of ‘reliable knowledge’. This form of words always sounded almost too modest to me, especially when you think how powerful science has been shown to be. But in medicine we are increasingly aware that much modern science is not a basis for honest action at all. Blake’s words were to the effect that ‘every honest man is a prophet’. I once miswrote this in an article I wrote as ‘every honest man is for profit’. Many an error….

’Once you have a shiny building, decline follows’

by reestheskin on 03/01/2019

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The quotes below are from an article in the FT (awhile back). They echo one of my rules, a rule that is more of the exception that proves the rule. Just as “no good lab has space” (because the bench space will always be taken up because many will want to work there), so when the grand new building arrives, the quality of work will already be past its peak (because how else would you have justified your future except by looking back). It is all about edge people, and just as social change usually starts at the edge, so do good ideas.

The principle of benign neglect may well operate on a larger scale. Consider Building 20, one of the most celebrated structures at Massachusetts Institute of Technology. The product of wartime urgency, it was designed one afternoon in the spring of 1943, then hurriedly assembled out of plywood, breeze-blocks and asbestos. Fire regulations were waived in exchange for a promise that it would be pulled down within six months of the war’s end; in fact the building endured, dusty and uncomfortable, until 1998.

During that time, it played host not only to the radar researchers of Rad Lab (nine of whom won Nobel Prizes) but one of the first atomic clocks, one of the first particle accelerators, and one of the first anechoic chambers — possibly the one in which composer John Cage conceived 4’33. Noam Chomsky revolutionised linguistics there. Harold Edgerton took his high-speed photographs of bullets hitting apples. The Bose Corporation emerged from Building 20; so did computing powerhouse DEC; so did the hacker movement, via the Tech Model Railroad Club.

Building 20 was a success because it was cheap, ugly and confusing. Researchers and departments with status would be placed in sparkling new buildings or grand old ones — places where people would protest if you nailed something to a door. In Building 20, all the grimy start-ups were thrown in to jostle each other, and they didn’t think twice about nailing something to a door — or, for that matter, for taking out a couple of floors, as Jerrold Zacharias did when installing the atomic clock.

Somewhat reminiscent of Stewart Brand’s ‘How Buildings Learn

[FT Link]

In climate science, you can check out of the lab anytime you like, but you can never leave.

How I stave off despair as a climate scientist.

Dave Reay, University of Edinburgh, quoted in Nature this week.

Statistical pitfalls of personalized medicine

by reestheskin on 14/12/2018

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This is from an article by Stephen Senn in Nature. He keeps making this point — for the very good reason that people want to pretend there is no problem. But there is.

Personalized medicine aims to match individuals with the therapy that is best suited to them and their condition. Advocates proclaim the potential of this approach to improve treatment outcomes by pointing to statistics about how most drugs — for conditions ranging from arthritis to heartburn — do not work for most people. That might or might not be true, but the statistics are being misinterpreted. There is no reason to think that a drug that shows itself to be marginally effective in a general population is simply in want of an appropriate subpopulation in which it will perform spectacularly.

When you treat patients with chronic diseases such as psoriasis, it quickly becomes clear that there is considerable within person variation is response to treatments. We do not understand what this variation is due to. What we do know however, is that assuming variation in response between people at single time points may be misleading in that we have no measure of within person variance. This is only one of the problems. But hey, precision, personalised.. whatever: it shifts units (as Frank Zappa once said of Michael Jackson).

Red..well any hair colour, again.

by reestheskin on 11/12/2018

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Genome-wide study of hair colour in UK Biobank explains most of the SNP heritability.

Michael D. Morgan, Erola Pairo-Castineira, Konrad Rawlik, Oriol Canela-Xandri, Jonathan Rees, David Sims, Albert Tenesa & Ian J. Jackson

[Link to Nature Comm paper]  https://doi.org/10.1038/s41467-018-07691-z

My guess is this is likely my last ‘research paper’ (although I now choose to redefine what counts as research). But not my last ‘thinking paper’. I cannot help but contrast the sheer volume of activity with that from our original papers on red hair. Things seemed so much simpler when we were young. But it is a nice coda to a career fugue.

Peanuts….I wish I had said that

by reestheskin on 28/11/2018

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This is from an editorial in the NEJM, discussing the results of a trial of a synthetic peanut antigen to facilitate tolerance. Prevously the ‘raw’ stuff had been shown to be useful. The synethic version will of course cost a lot, and might be considered IPR created through regulatory arbitrage.

AR101 and other, similar products such as CA002, which is being developed by the Cambridge group, would therefore appear to have a role in initial dose escalation. The potential market for these products is believed to be billions of dollars. It is perhaps salutary to consider that in the study conducted by the Cambridge group, children underwent desensitization with a bag of peanut flour costing peanuts.

Costing penauts: I wish I had said that

Oral Desensitization to Peanuts | NEJM

The frenzy of metrics rolls on

by reestheskin on 27/11/2018

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What are metrics good for? Reflections on REF and TEF from Dorothy Bishop

Universities ‘must read applicants’ work

by reestheskin on 08/11/2018

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Leading universities should pledge to actually read the work of applicants for research positions rather than use controversial metrics during the selection process, a Nobel prizewinner has argued.

No, not a spoof, but words from Harold Varmus. Sydney Brenner, a good while back, observed that people tended not to read papers anymore, they just xeroxed them.

Modesty

by reestheskin on 05/11/2018

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Modesty seems to be under negative selection — among modern scientists, at least. So I warmed to this comment on a report of some recent work on the genetics of Africa and hunter-gatherers.

Rare genetic sequences illuminate early humans’ history in Africa

Deepti Gurdasani, a genetic epidemiologist at the Wellcome Sanger Institute in Hinxton, UK. But it’s plausible, she adds. “There is literally nothing in Africa that is not possible since we have no idea what humans were doing on the continent 5,000 years ago.”

On observing those not so ‘minute particulars’

by reestheskin on 01/11/2018

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This is from an article in Nature.

Under pressure to turn out productive lab members quickly, many PhD programmes in the biomedical sciences have shortened their courses, squeezing out opportunities for putting research into its wider context. Consequently, most PhD curricula are unlikely to nurture the big thinkers and creative problem-solvers that society needs.

That means students are taught every detail of a microbe’s life cycle but little about the life scientific. They need to be taught to recognize how errors can occur. Trainees should evaluate case studies derived from flawed real research, or use interdisciplinary detective games to find logical fallacies in the literature. Above all, students must be shown the scientific process as it is — with its limitations and potential pitfalls as well as its fun side, such as serendipitous discoveries and hilarious blunders.

And from a letter in response

My father designed stellar-inertial guidance systems for reconnaissance aircraft and, after he retired, would often present his work to physics and engineering students. When they asked him what they should study to prepare for such a career, he would reply: “Read the classics,” by which he meant Aristotle, Ralph Waldo Emerson, Jean-Jacques Rousseau and Blaise Pascal.

The best scientific and technical progress does not come out of a box. It is more likely to emerge from trying to fit wild, woolly and tangential ideas into useful societal and economic contexts.

As the historian Norman Davies once said:

“Since no one is judged competent to offer an opinion beyond their own particular mineshaft, beasts of prey have been left to prowl across the prairie unchecked.”

Or as the Economist once put it”

“…professors fixated on crawling alone the frontiers of knowledge with a magnifying glass.”

This is the tragedy of our age: 90% right and 100% wrong. And that is even before we get to  medicine.

Predictive analytics in medicine: its all over now baby blue

by reestheskin on 19/10/2018

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Big Data and Predictive Analytics: Recalibrating Expectations | Clinical Decision Support | JAMA | JAMA Network

Yet despite these innovations and those to come, quantitative risk prediction in medicine has been available for several decades, based on more classical statistical learning from more structured data sources. Despite reports that risk models outperform physicians in prognostic accuracy, application in actual clinical practice remains limited.

It seems unlikely that incremental improvements in discriminative performance of the kind typically demonstrated in machine learning research will ultimately drive a major shift in clinical care. In this Viewpoint, we describe 4 major barriers to useful risk prediction that may not be easily overcome by new methods in machine learning and, in some instances, may be more difficult to overcome in the era of big data.

The hype cycle marches on.

The business of academic publishing: “a catastrophe”

by reestheskin on 11/10/2018

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The business of academic publishing: “a catastrophe” – The Lancet

How is it that publishers can continue to make profits of 30–40%? How can Elsevier get away with charging, as described in the film, $10,702 for an annual subscription to Biomaterials? It’s partly that if you are a major research university you need access to all journals not just some of them, says Richard Price of Academia.edu, a platform for academics to share research papers. It’s a question of moral hazard, explains Stuart Shieber, a Harvard professor of computer science: the consumers of the research, the academics, are not the people who have to pay. It’s the libraries who pay, and the academics remain insensitive to price…..

In addition, publishers sell bundles of journals. It’s like cable television, you get a few things you do want along with a lot you don’t, explains one librarian. But unlike cable television you don’t know what others are paying—because publishers do secret deals with libraries.

Yes. But it speaks volumes about universities, too.

Theory follows practice

by reestheskin on 04/10/2018

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When working in Africa in the 1980s with my good friend Victor Pretorius, I heard a legend about an important tribe in Central Africa, the Masai. The legend claimed that a genius member of the tribe in the nineteenth century or earlier had the idea that cow’s urine was the safest fluid for washing cooking utensils. Compared with the previous practice of using far from clean river water, it avoided the dangers of dysentery and probably saved many lives. This simple and effective public heath practice was cast out by medical missionaries who had quite different ideas, more religious than medical, about what was clean and what was dirty. Neither the original genius, nor the missionaries, knew anything about the epidemiology of water-borne disease. Whether or not there is any substance to this legend, it has stayed in my mind as a metaphor appropriate for many of our problems today. Inventions such as Newcomen’s steam engine, Faraday’s electrical machines, and the idea that fresh urine is a sterile fluid, all came long before their scientific understanding.

James Lovelock, A Rough Ride to the Future. This is like so much of real discovery in clinical medicine, although the academy gets to write the history of how it is supposed to work.

Food for thought

by reestheskin on 27/08/2018

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For a baseline life expectancy of 80 years:

  • Eating 12 hazelnuts daily (1 oz) would prolong life by 12 years (ie, 1 year per hazelnut)
  • Drinking 3 cups of coffee daily would achieve a similar gain of 12 extra years
  • Eating a single mandarin orange daily (80 g) would add 5 years of life.

Conversely:

  • consuming 1 egg daily would reduce life expectancy by 6 years
  • eating 2 slices of bacon (30 g) daily would shorten life by a decade (an effect worse than smoking).

Well these are all taken from John Ioannadis’ article in JAMA. He asks : “Could these results possibly be true?”

The great financial crash led to some (but not enough) soul-searching about the state of academic economics and, in turn, the academy. Whole swathes of the modern research university are geared to the production of unreliable knowledge.  There is money in it. Without wishing to understate in any way Ioannadis’ major contributions, we have known that there are fundamental methodological flaws in much of observational epidemiology for a long time (for instance see the late Alvan Feinstein’s article in Science). A must read. 

(The Challenge of Reforming Nutritional Epidemiologic Research John P. A. Ioannidis, AMA. Published online August 23, 2018. doi:10.1001/jama.2018.11025)

“The song remains the same”

by reestheskin on 17/08/2018

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From an obituary of Paul Boyer.

“Paul Boyer was approaching the finish line of his career when he risked everything with a jaw-dropping proposal. He addressed one of the most important, as-then-unanswered questions in biochemistry”

“We were attending a UCLA seminar in 1972 when I noticed that he wasn’t paying attention to the speaker. Afterwards, Paul approached us in a very excited state. This was surprising because he was known for his calm demeanour. He confessed that he had spent the hour thinking about old unexplained data. He asked: “What would you say if I told you that it doesn’t take energy to make ATP at the catalytic site of ATP synthase,” (as was universally held at the time) “but rather that it takes energy to get ATP off the catalytic site?” This was a eureka moment.

As is often the case with transformational ideas, early reactions were negative. When the Journal of Biological Chemistry rejected our manuscript containing data supporting this concept, Boyer told me without animosity that he could see why they would do that — “It was a very striking claim.”

Well, I have never had an idea to compare with this. But sitting through talks that do not light my fire, I have always found conducive to thinking creatively about something else. Its similar to the way that some writers practice their craft better in a coffee shop than in a silent office. Intellectual white noise.

Remember: the best ideas are not in the literature. If they were…..

Sausages, and ‘unprofitable activities’ (aka students).

by reestheskin on 08/06/2018

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Besides, “university league tables are like sausages: the more you know about how they are made, the less you want to [do with] them”.

“Research was structurally unprofitable even if you scored really well in the research excellence framework,” he claims. “It’s being financed by surpluses on taught master’s. I think that’s fine because part of the reason people came on the taught programmes was because the place was very highly ranked in research, and they thought they were going to be sitting at the feet of the best economists around. Academics had to understand the dynamic and deliver the teaching because that was what was paying for the research. Yet because of the history of underfunding [undergraduate] students [before the introduction of £9,000 tuition fees in 2012], a kind of mood gained ground in British universities that [all] students were an unprofitable activity.

Paris to London: Howard Davies on the finance sector and universities’ common interests | Times Higher Education (THE)

Diagnosing money.

by reestheskin on 14/05/2018

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Science 21 June 2013: 1394-1399.

For most alumni, university fundraising may seem to be uncoordinated and lacking in focus—an assortment of phone calls, solicitous letters, and invitations to a class reunion. But for Steven Rum, it’s a science. And the goal is to carry out more research.

Rum is senior vice president for development and chief fundraiser for Johns Hopkins Medicine in Baltimore, Maryland. Last year, his team had a banner year, raising $318 million. Their approach places the physician scientists at Hopkins on the donor front lines. The goal is to turn the positive feelings of “grateful patients” into support for new research, faculty chairs, academic scholarships, bricks and mortar, or simply defraying the cost of running a multibillion-dollar medical center.

Rum has 65 full-time fundraisers on a staff of 165. Each one is responsible for meeting weekly with physicians—their “caseloads” range from a dozen to more than 30 docs—to discuss which of their patients might be potential donors. The conversation is designed to help them identify what Rum calls a donor’s “qualifying interest” and connect it to their “capacity,” that is, the ability to make a donation.

More often than not, Rum’s team finds that sweet spot…..

”Ideally, I’d like to have one gift officer manage no more than six doctors,” he says.

Link

The breakthrough is just a filing away.

by reestheskin on 01/05/2018

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Article in Nature. I largely agree, although my views are as much based on the hype-upon-hype that characterises so much of medical research, especially cancer. I do not have a reference, but whatever one’s views about the late David Horrobin, his Lancet article about cancer trials — written when he was dying from lymphoma — is worth a read. What a mess!

Key quotes from this article:

In 2017, my colleagues and I completed a study of all 48 cancer drugs approved by the European Medicines Agency between 2009 and 2013 (C. Davis et al. Br. Med. J. 359, j4530; 2017). Of the 68 clinical indications for these drugs (reasons to use a particular drug on a patient), only 24 (35%) demonstrated evidence of a survival benefit at the time of approval. Even fewer provided evidence of an improved quality of life for symptoms such as pain, tiredness and loss of appetite (7 trials; 10%). Most indications (36 of 68) still lacked such evidence three or more years after approval. Other groups in other regions have observed similar trends. For example, a 2015 study demonstrated that only a small proportion of cancer drugs approved by the FDA improved survival or quality of life (C. Kim and V. Prasad JAMA Intern. Med. 175, 1992–1994; 2015).

But the key point he makes is:

I believe that the low bar also undermines innovation and wastes money.

When assessments — whether in medicine or education — are flawed the loss in value is not in short term financial costs, but in what might have happened 10 years down the road.

Five years (left to cry in)

by reestheskin on 29/03/2018

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There are periodic evaluations, but a poor result means losing only a fraction of your funding, says Schuman, who previously held one of the plum positions in U.S. science: as an investigator funded by the Howard Hughes Medical Institute on a 5-year contract. “I did not realize how the renewal clock of 5 years dissuaded me from going for risky ideas until I became a Max Planck director,” she says.

Cue, David Bowie: