"Jimmy Wales' Wikipedia comes close to Britannica in terms of the accuracy of its science entries, a Nature investigation finds.
UPDATE: see details of how the data were collected for this article in the supplementary information.
UPDATE 2 (28 March 2006). The results reported in this news story and their interpretation have been disputed by Encyclopaedia Britannica. Nature responded to these objections ."
"c : the characteristic features of everyday life shared by people in a particular place or time "
[Filial de Encyclopædia Britannica - en.wikipedia.org]