But once that’s done, the lab technician can go home. Just put a piece of cheese at one end and the rat at the other, and the rat trains itself, through trial-and-error, to find a way through. This ...
Rats are incredibly nimble creatures. They can climb up curtains, jump down tall ledges, and scurry across complex terrain—say, your basement stacked with odd-shaped stuff—at mind-blowing speed.
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