In terms of language, we do know what a scientific theory or conceptual system must be: it is a thematic pattern of semantic relationships in a subje… - Jay Lemke

Learning science means learning to talk science... Talking science means observing, describing, comparing, classifying, analysing, discussing, hypothesizing, theorizing, questioning, challenging, arguing, designing experiments, following procedures, judging, evaluating, deciding, concluding, generalizing, reporting ... in and through the language of science.

We will document a single instance of a widespread and increasingly dominant political strategy in modern society: the transformation of discourses of expert knowledge into discourses of social policy.

A discourse, a way of speaking, is considered less scientific, or even rendered ‘unscientific’ exactly to the extent that it includes elements either of the language of feeling or of the language of action and values.