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Evolution is a theory, and it's a theory that you can test. We've tested evolution in many ways. You can't present good evidence that says evolution is not a fact.

"Science Guy Bill Nye Explains Why Evolution Belongs in Science Education". Interview with Sarah Fecht, www.popularmechanics.com. February 4, 2011.
Evolution is a theory, and it's a theory that you can test. We've tested evolution in many ways. You can't present good evidence that says evolution is not a fact.