The question "what is science" has been one of the most vigorously contested legal questions as to what is legally acceptable scientific foundation for the submission of expert opinion in a wide variety of cases, especially in products liability cases. The answer usually lies in the outcomes of past cases as well as objective scientific literature. But how do we relate past decisions to biotechnology, bioinformatics, in-silico biology, genome mapping, and other new scientific developments? And just how valid are peer-reviewed studies when they are performed in house or funded by companies...