>>not the nature of his intelligence, but simply the depth of his mental stack. Excellent observation In an experiment on spiders that I found very enlighteni

>>not the nature of his intelligence, but simply the depth of his mental stack. Excellent observation In an experiment on spiders that I found very enlightening, the experimenter placed some desirable food on one (small) platform, and the spider on another perch, and there was a 3D maze of links that the spider could use to get to the food, but only one proper path. The spiders sat for around two hours, then used the exactly correct path to reach the goal. The researchers figured that they were using their tiny memory to just grind through the options until they found the right path, then went for it. I've found this fascinating and oddly inspiring ever since I read about the study; I'm sorry I can't find it now to link here.