The article is focused on a quantitative analysis of the use of hedges in a 1.6-million-word corpus of academic articles in four hard sciences (chemistry, physics, mathematics, engineering) and four soft sciences (linguistics, history, management, political science). It is hypothesised that there are significant differences in the use of hedges between the two groups of disciplines. The analysis is based on an examination of 81 language units which previous studies have found to be frequent in academic discourse.