I'm going to have to admit it, I was wrong.
A while ago I had a post in a thread talking about how much I hate aquariums because none of my torts do well in them. I cited things like humdity problems and temperature problems (which for the most part can be fixed with some plexiglass to cover up some of the screen top), but I had also stated that tortoises will try to walk through the glass because they don't understand what it is.
Now I'm sort of leaning towards the idea that whether or not they understand the concept of glass has to do with what they were raised in.
My little baby russian that recently hatched has gone into an aquarium (it was what I had laying around), and I was expecting him to have the same reaction to it as my other tortoises usually have to glass....endlessly trying to push through it. For the past two weeks that he's been in the tank I have not once seen him push himself into the glass in an attempt to go through it. He will walk the perimeter of his tank without ever touching the glass, and this leads me to believe that he must understand that there is a barrier there.
So I guess it must have more to do with what they were raised in, and familiarity to glass.
Thoughts/opinions?
P.S. I still like cattle troughs and stock tanks better 


