This content is created by the scheduler and feed modules, and rendered dynamically through the getContentList (e.g. a view) and a custom layout in the theme.
To view the 'default' layout, click on one of the tags on the right. I will put up a tutorial asap that shows how to use the scheduler, feed, custom content types and custom layouts to create a page like this.
If you were wondering, the args you need to pass to the getFeed module to make this work are: