Wikipedia as accurate as Britannica, from CNN Internet encyclopaedias go head to head, from Nature The exercise revealed numerous errors in both encyclopaedias, but among 42 entries tested, the difference in accuracy was not particularly great: the average science entry in Wikipedia contained around four inaccuracies; Britannica, about three. Only eight serious errors, such as misinterpretations of important concepts, were detected in the pairs of articles reviewed, four from each.. Read More