I just read your experiment that you linked to. That was a very interesting experiment you conducted! I'm surprised you didn't grow up to be a scientist or someone in the behaviorist field. 
I don't remember ever doing experiments when I was a kid. As for ants, I never really liked them all that much. They're not scary like spiders, but I don't want them in my house now. We do get them because our home is on a slab (water table is high since we're on a lake) and our Eclectus parrot throws his food on the floor, which brings the ants. I kill them when I see them. We use a poison free spray that has mint oil - ants die quickly with this spray. The husband has bought ant traps, but we've found the ants can outsmart the traps. The ones who see their dead comrades in there will fill the traps with sand so no one else can get in and be poisoned! Genius!
I don't know what those ant farms sell for nowadays.
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