Team leader: Drew Smith
To search for unanswered posts, you can follow these steps:
Go to the main page of the Ubuntu Forums
Click the link Quick Links on the right of the screen, above the threads. It will open a drop-down list.
Click Unanswered Posts in the drop-down list.
Click the link Advanced Search on top of the screen (this is visible in any page of the forums). It will open a drop-down list.
Under Additional Options, there's a box Find Threads with. There you can select At Most in the drop-down list. In the text box right of the drop-down list, you can enter a 0 (this should be the default).
Click the Search Now button at the bottom of the screen.