From a huge database of scientific papers published between 2005 and 2009, Oliver Beauchesne drew links connecting the cities in which collaborating authors worked. The brightness of the lines on the map depends on the number of collaborations between a pair of cities and the distance between them. The map shows Europe to be the hub of multi-city scientific collaboration - and also reveals some rising scientific centres, such as São Paulo in Brazil.
Making the links less bright where the distance between cities is greater may reduce the brightness showing collaborations among cities in the United States as compared to Europe, and may decrease the apparent importance of collaborations across oceans. Still the presentation is interesting. I recommend you go to the interactive site.
Making the links less bright where the distance between cities is greater may reduce the brightness showing collaborations among cities in the United States as compared to Europe, and may decrease the apparent importance of collaborations across oceans. Still the presentation is interesting. I recommend you go to the interactive site.
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