I know there are several ways to approach browsing what has already been written. I could always use some tips to get me away from falling into habit.
There is the easy access SEARCH box towards the upper right.
There is following tags by clicking on them to go to all things tagged that way.
If I like someone's style, I can see what else they have written by clicking on their name...
How do YOU go about exploring Paleohacks?
I sometimes get obsessed and command+click (MacBook shortcut for opening a new tab) on pretty much every single question on the homepage. Then from there I'll click on related questions within those questions, and also on users I respect to see what they've answered lately. Within a few short minutes, I'll have about 50 tabs open. Then I read through them all while listening to the latest Wolf podcast. Good times.
Usually, I'll follow the related posts link when reading a post. Gets a lot of new and previous information out in the open that would otherwise be buried. I usually only visit the homepage, so this is how I "dig deeper"