"Evolution is just a theory."
As a paleontology student, I hear that argument a lot. There seems to be a common misunderstanding of the language of science. This video delves into the problems of arguing against science using emotion or by appealing to incomprehension.
If you found this interesting, we have written a whole series on what science is:
The Method - Extraordinary Claims - Natural Explanations - Anecdotal Evidence - Unfalsifiable Hypothesis - Burden of Proof - Self-Correction - Occam's Razor - Using Unknowns to Prove a Point
Hat tip to Steven G via Fraser Cain on Google+