"By definition, science does not attempt to explain the world by invoking the supernatural," University of Utah bioengineering professor Gregory Clark told the board.
"Intelligent design fails as science because it does exactly that - it posits that life is too complex to have arisen from natural causes, and instead requires the intervention of an intelligent designer who is beyond natural explanation. Invoking the supernatural can explain anything, and hence explains nothing." http://www.sltrib.com/utah/ci_2997771