If new knowledge challenges or contradicts an existing theory, why do many scientists try to hold on to the old theories and claim the new ones are bogus?

Reading between the lines, I sense (it’s a gift!) someone who wants not to credit the idea of evolution. Please pick up a New Testament and read Colossians 2:8:

Don’t let anyone capture you with empty philosophies and high-sounding nonsense that come from human thinking and from the spiritual powers of this world, rather than from Christ.

Human thinking and science are at opposite ends of the conceptual spectrum. Science is hard knowledge, and human thinking is Wishfulness Inc. Science is not a “spiritual power of this world,” – rather, clumsy attempts to force one’s private need to ignore GOD’s world in order to support a demeaning (to GOD) interpretation of Genesis? That, my friend, is a worldly thing because GOD is Truth, and sophistry never is.

All arguments and cherry-picked / misinterpreted “facts” I’ve ever encountered in a discussion of the validity of evolution have been sheer, tear-inducing sophistry. Hollow posturing, attempts to select a two plus a two plus a two and pronounce it two hundred twenty-two, you name it.

There IS a germ of truth here – plate tectonics had early champions, a father-son team of geologists, in the (I think) third quarter of the 20th Century. They found it a very hard sell. The idea was so sweeping—the solid crust of the planet actually having plastic behavior!?!?!?—the very idea!

But data has this odd trait—it doesn’t go away. Plate tectonics today is settled science with hundreds of careers founded on expanding our understanding of the history of earth’s very plastic crust. And nobody gets to make up any data; just look around, like Sherlock Holmes, and see what you can learn.

So, yes, there are examples of old theories (in this particular example, NOT A THEORY AT ALL—THE ABSENCE OF A THEORY) giving way to (a new) one.

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