It’s true, TV is not good for you. According to a new study, children who watch SpongeBob Squarepants for brief periods of time perform worse in school than children who do not.

The LA Times has the story: “Immediately after their viewing and drawing tasks were complete, the kids were asked to perform four tests to assess executive function.  Unfortunately for the denizens of Bikini Bottom, the kids who watched nine minutes of the frenetic high jinks of the ‘animated sponge’ scored significantly worse than the other kids.”

Children’s books and kids book apps, on the other hand, will probably make your kids smarter.