A tale of a mentally challenged dog who doesn't know what to do with stairs, and apparently can't escape from a blanket. Hilarious, and the drawings are adorable.

"We think what happened is that the cats sort of domesticated themselves," Carlos Driscoll, one of the study authors, told the Washington Post. The cats invited themselves in, and over time, as people favored cats with more docile traits, certain cats adapted to this new environment, producing the dozens of breeds of house cats known today.