Pseudoscience is any body of knowledge, methodology, belief, or practice that claims to be scientific but does not follow the scientific method."Pseudoscientific - pretending to be scientific, falsely represented as being scientific", from the Oxford American Dictionary, published by the Oxford English Dictionary. Pseudosciences may appear scientific, but they do not adhere to the testability requirement of the scientific methodFor example, Hewitt et al. Conceptual Physical Science Addison Wesley; 3 edition (July 18, 2003) ISBN 0-321-05173-4, Bennett et al.