For which topics do liberals and conservatives say humanity has learned most of what there is to know?
For each of the following fields of study, out of everything possible to be known, how much do you think humanity has already discovered? (% saying humanity knows most or all about each field)
Note: "Most or all" includes responses of "most," "almost all," and "everything." Responses of "about half," "some," "almost nothing," "nothing," and "not sure" are not shown.
