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I can’t speak to this area of research, but studies for obvious things are still quite important. Maximal surprise is not a goal of science, nor is it an effective way to advance knowledge in a field.

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I think of the recent study with raccoons how they like to solve puzzles. That was something well-known but not actually scientifically demonstrated and measured until now.

The expectation that science must necessarily "surprise" us is a terrible habit. It creates an unhealthy lust for novelty, a trivialization of what it means to "know" or to "understand" by conflating it with familiarity, and it can impede understanding, because the person in question will deny the straightforward and hunt for the "surprise" which becomes a criterion for truth. It can also feed into an incoherent categorical skepticism of human rational powers and tantalize superstitious, gnostic appetites.

Science (broadly understood) looks for explanation and for verification. The point is to understand. Many interesting things may be found by analysis of what is known.

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