f substrate: a model and experimental study. Proc Natl Acad Sci. 72:3829-33 Boltzmann, L. (1909) Wissenschaftliche Abhandlungen (ed. Hassenohrl, F.) Barth, Liepzig Bores, P.A., Bertelli, G.M., Gilli, G. (1988) Temperature dependence of the binding of mu, delta, and kappa agonists to the opirate recepto

and desire — the very things scientists tend to study. Beginning with Nygren’s strong view of agape and the strong supernaturalism of both Nygren and Barth, there was little room in these mid-twentieth century Protestant trends for a productive dialogue between Christian ethics and the new scientific adv