It's at the margins, closer to the cutting edge, where there is disagreement, such as over the relative contributions of different mechanisms of evolution, genomic aspects of evolution, etc. 2/
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Evolution deniers are very good at seizing on controversies at the cutting edge of evolutionary biology to misrepresent them as casting doubt on the core theory of evolution. 3/
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Indeed, science deniers in general are good at misrepresenting controversies on the cutting edge of the science they deny as somehow caring doubt on the well-supported core theory when they don't. 4/
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Climate science deniers do the same thing. While the science is settled that human-produced CO2 is warming the planet, there's still, for example, debate over how much and how fast these changes in our climate are occurring. 5/
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Climate science deniers, predictably, seize on these debates to claim that the "science isn't settled" that human-produced CO2 is causing catastrophic warming, when, in fact, it is. 6/
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This is why I rarely use the term "settled science" any more. Instead I say something like "scientific conclusions supported by mountains of evidence." 7/7
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End of conversation
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I never use the term - it is the deniers term to trap in a debate. But I did get him to admit that carbon dioxide reflects infrared heat back. Small victory
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