Another review of Nagel's ideas: Basically a good critique of scientific materialism, in which it is stated that Nagel doeesn't think science will ever explain all unless consicousness is included as a basic component of the solution:-http://blogs.scientificamerican.com/cross-check/2013/01/30/is-scientific-materialism-almost-certainly-false/?WT_mc_id=SA_CAT_MB_20130130-And offers no answer as usual