Darwin’s theory about the origins of species is 150 years old. Since then, there have been astounding discoveries about the complexity of the human cell, about DNA, and about our planetary system, just to name a few. Scientists featured in Expelled are saying that these discoveries provide compelling evidence of design—for instance, they’ve looked at how a molecular biological function like blood clotting requires finely tuned chemical reactions. For more information from a scientific perspective, visit The Discovery Institute.