What Role Does Intuition Play in Science?

Recently science author Sam Kean reviewed In a Flight of Starlings, a "slender, uneven collection of essays by Giorgio Parisi about his life in physics, from his student days in Rome to the work that won him a share of the 2021 Nobel Prize in physics." But the reviewer makes an interesting point:As someone who writes about science history, I have long grumbled about how misleading modern scientific papers are. I understand the need to present scientific findings in a clean, concise way, but the papers also omit all the false starts, blind alleys, broken equipment, and dumb mistakes that beset real scientific research every day. By omitting all the human stuff, the papers fail to explain how science really gets done. Parisi raises a related complaint - that scientific papers omit all sense of intuition. Indeed, the best sections of the book explore the role of intuition in scientific thinking. He quotes a friend who says that "a good mathematician understands immediately which mathematical statements are true and which are false, whereas a bad mathematician has to try to prove them in order to know." The same applies to science: the early stages of any project are chaotic, and the data can be confusing and even contradictory. Scientists need intuition to cut through the mess and focus on the most promising explanations. Much of this intuition is unconscious and, while still grounded in physical brain processes, remains murky and hard to reconstruct. And for whatever reason, that vagueness makes scientists uncomfortable. "In almost all texts written by scientists," Parisi notes, "these themes are taboo." So it's refreshing to see a scientist, especially one of Parisi's stature, honestly discuss the fuzzy side of scientific thinking, and not just during the early, groping stages but in the technical phases of a project, too. "The physicist sometimes uses mathematics ungrammatically," he admits, "a license that we grant to poets" as well... In a Flight of Starlings, Parisi writes, "is my attempt to convey to a wide readership something of the beauty, importance, and cultural value of modern science." Does he succeed? At times, yes... Perhaps it's not unlike the hodgepodge of science itself, then...

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