Word for the day – theory

The Bad Astronomer posted an article just over a week ago on his irritation with the argument that “evolution is just a theory”. He says:

It’s like saying the Eiffel Tower is just a tower.

His article links to this site which explains what scientists mean when they use the word theory.

In everyday use, theory means a guess or a hunch, something that maybe needs proof. In science, a theory is not a guess, not a hunch. It’s a well-substantiated, well-supported, well-documented explanation for our observations. It ties together all the facts about something, providing an explanation that fits all the observations and can be used to make predictions. In science, theory is the ultimate goal, the explanation. It’s as close to proven as anything in science can be.

So by saying “evolution is just a theory” what you are saying scientifically speaking is that evolution is as close to being proved as it can be. Which is what mainstream scientist have been confirming for the last 150 years.

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One Response to Word for the day – theory

  1. […] In telling him things about myself I made a passing comment that took for granted that the theory of evolution was as much a fact as things scientific ever are. My new acquaintance stunned me by […]

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