Command+Click does not work in Google Scholar + Firefox
No, it's not a problem restricted to your computer:


Other Mac users (including me) have experienced similar problems with scholar.google.com and other websites when using Firefox 19.0.2 and version 20.0, or, in my case, with the same setup as yours (OS X 10.8.3 and Firefox 21).
Windows users have also reported this issue, for example here and here.


I don't think it is not a problem caused by extensions, either. The problem seems rather related to how Firefox deals with some CSS code and Javascript plugins.

The extension NoScript can be used as a workaround at the cost of reducing functionality, because it blocks, among other things, JavaScript.

After installing NoScript scholar.google.com behaved as expected when I ⌘-clicked the links. NoScript displays a yellow bar at the bottom when active:



Important: You will need to exclude google.com from the whitelist for this to work. This will also block Javascript and other plugins on www.google.com, so you may wish to whitelist it: