3-year-old Lilly the Golden Retriever from Virginia, who has one of only one brain cells, is confused when her ball disappears in the river while she plays with it. The video shows her confused when the ball floats down the river, while she stays put. This confusion led to a humorous video showing her losing the ball forever or not. The article was powered by Yahoo Scout, which uses AI to generate key points from the article, which may not always match what’s in the article. Despite this confusion, readers commented on the video, with some saying it was more than some humans have, others saying it's more than a million heart cells.