Building with treacle; or, the physics of civilisation

Try to imagine, if you can, trying to build a small pyramid on your kitchen table using nothing but treacle. It wouldn’t be easy that’s for sure, but if you had enough help and enough motivation you could heap the treacle into a kind of pyramid thing and achieve the desired objective.  
Would it last indefinitely though? 
Of course it wouldn’t, [...] http://bit.ly/9cWoOw