 A high-profile development in design arguments over the past 20 years or so involves what has come to be known as Intelligent Design (ID). Although there are variants, it generally involves efforts to construct design arguments taking cognizance of various contemporary scientific developments (primarily in biology, biochemistry, and cosmology)—developments which, as most ID advocates see it, both reveal the inadequacy of mainstream explanatory accounts (condition (a)) and offer compelling evidence for design in nature at some level (condition (e) again).