Science

Barry Marshall, ulcers, and resistance to discovery

“The greatest obstacle to discovery,” argues Barry Marshall, “is not ignorance—it is the illusion of knowledge.” Marshall is the co-discoverer of Helicobacter pylori, the bacterium that causes stomach ulcers, for which he won the 2005 Nobel Prize in Medicine. But his hypothesis initially met with great resistance from the medical establishment, which was strongly committed

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Joseph Priestley’s significance

I did not know this about Priestley’s significance to two of the great American founding fathers: “In the 165 letters that passed between Thomas Jefferson and John Adams, the name Benjamin Franklin is mentioned five times, George Washington three times, Alexander Hamilton twice — and Joseph Priestley, a foreign immigrant, is cited no fewer than

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Garrett Hardin bemoaning India’s 600 million population in 1974

Hardin is one of the most widely-read twentieth-century intellectuals, most known for his two pieces “The Tragedy of the Commons” and “Lifeboat Ethics: The Case Against Helping the Poor.” The two are intimately related, as one diagnoses a fundamental problem with resources and the other draws policy conclusions. A key quotation, in which Hardin states

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Kuhn on the Greeks and scientific culture

A striking quotation from Thomas Kuhn’s The Structure of Scientific Revolutions: “Every civilization of which we have records has possessed a technology, an art, a religion, a political system, laws, and so on. In many cases those facets of civilization have been as developed as our own. But only the civilizations that descend from Hellenic

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Iatrochemists: why iron salts cure anemia

A fun anecdote from the history of medicine. (Fun in hindsight, though not necessarily fun for those who lived through the medical history.) The late-medieval Iatrochemists believed that progress could be made by uniting medicine with alchemy. Their intellectual leader was Paracelsus (1493-1541), a Swiss physician whose goal was to reform medical chemistry by rejecting

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