Book excerpt from Everyday Practice of Science

In Chapter 3, “Credibility: Validating Discovery Claims,” author Frederick Grinnell details the difficulty in making discoveries that buck current scientific paradigms.

By | February 1, 2011

OXFORD UNIVERSITY PRESS, 2011“Challenging the prevailing thought style”

Nobel Laureate Albert Szent-Györgyi’s prescription for discovery was seeing what everybody else has seen and thinking what nobody else has thought. René Magritte’s 1936 oil painting Perspicacity shows a seated artist staring at a solitary egg on a draped table. On his canvas, he paints a bird in full flight. As expressed in Szent-Györgyi’s prescription and Magritte’s painting, discovery frequently requires unconventional thinking. The more novel a discovery claim, the greater its potential to refashion the thought style and affect subsequent research in the field. At the same time, novelty also challenges intersubjectivity and can come into conflict with the prevailing thought style. As a result, highly novel discovery claims sometimes are received with considerable skepticism by the research community.

I learned firsthand the difficulty of challenging the prevailing thought style when I was a postdoctoral fellow with Paul Srere. Srere was engaged in a dispute with many in the research community concerning how best to understand enzyme regulation. His focus was on the enzymes of the citric acid cycle. Many of these enzymes, he emphasized, were present in cells at much higher concentrations compared to those typically studied by biochemists. “But a cell is not a test tube!” Srere argued that understanding enzyme regulation required analysis of enzymes in the context of their supramolecular organization within cells.1

Frustrated by the resistance of conventional thinking in the research community to his new ideas, Srere would begin his seminars by describing the I Ching. The I Ching is a Chinese philosophical system attributed to the Emperor Fu Hsi (circa 2800 B.C.E.) that is used to understand the past and predict the future. Paul explained to his audience (mockingly) that he was skeptical about the 5,000-year-old method until he examined the trigram symbols arranged in a circle. He was amazed to learn that Fu Hsi had predicted the citric acid cycle well before the cycle was discovered by Sir Hans Krebs. Then Srere would show the front cover of the Beatles 1969 album Abbey Road. He would point out some of the clues on the cover indicating that Paul McCartney had died, a popular conspiracy theory at the time. Srere told his listeners that he was fascinated “by the evidence, logic and inevitability of the conclusion that McCartney died.…It was a compelling story. The only flaw was that he was alive.” And then Srere reached his timeless conclusion: “Given a large mass of data, we can by judicious selection construct perfectly plausible unassailable theories—all of which, some of which, or none of which may be right.”2

While the skepticism of conventional thinking can delay acceptance of new ideas, if the ideas are correct, then the research community eventually catches up. One sign of the research community catching up with Paul Srere was the establishment in 1987 of an ongoing research conference titled Enzyme Organization and Cell Function (later renamed Macromolecular Organization and Cell Function). In recognition of his contributions to the field, Srere’s fellow biochemists established the “Paul Srere Memorial Lecture” beginning with the 2004 conference.

The history of Nobel Prizes includes many examples of novel discoveries that were either ignored or disputed for years, for example, tumor viruses (Nobel Prize in 1966), chemiosmotic theory (Nobel Prize in 1978), transposable genetic elements (Nobel Prize in 1983), and catalytic ribonucleic acid (Nobel Prize in 1989). The presentation speech for Krebs when he won the 1953 Nobel Prize for the discovery of the citric acid cycle reminded the audience that “in the beginning Krebs was quite alone with his idea, and when he first presented it, it was criticized by many.”3 The presentation speech for Stanley Prusiner when he won the 1997 Nobel Prize for the discovery of prions contained similar remarks:

The hypothesis that prions are able to replicate without a genome and to cause disease violated all conventional conceptions and during the 1980s was severely criticized. For more than 10 years, Stanley Prusiner fought an uneven battle against overwhelming opposition.4

In the end, accommodation of the thought style to novelty frequently follows the path described by William James: “First, you know, a new theory is attacked as absurd; then it is admitted to be true, but obvious and insignificant; finally, it is seen to be so important that its adversaries claim that they themselves discovered it.”5



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