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How Rats Could Lead to Autism Drugs That Actually Work
The Atlantic

In a shoebox-sized cage on their own floor in the Anderson Building at the Baylor College of Medicine, two little white mice with pink ears and skinny tails scurry over a bedding of corncob strips. They run from corner to corner, now and again standing on hind legs to press their paws against one of the cage’s clear plastic walls. Occasionally, they bump into each other and take a sniff. Mostly, they do their own thing.

On another floor of the same building, larger cages hold white rats that can’t seem to stay away from each other. They pounce, wrestle and roll. It’s impossible to avoid the comparison: They act like puppies.