Their about page says:
Discovery Institute promotes thoughtful analysis and effective action on local, regional, national and international issues. The Institute is home to an inter-disciplinary community of scholars and policy advocates dedicated to the reinvigoration of traditional Western principles and institutions and the worldview from which they issued.
Seems they are more of a think tank than a research group.
Was there some specific rhetorical point you wanted to make about them?
That they are trying present themselves as a biological sciences research institution when what they really are is a political and religious advocacy group.