Rosemarie Truglio of Sesame Workshop and Kentaro Fujita of The Ohio State University give us strategies to teach them, with some very special help from Cookie Monster.

Life, liberty and the pursuit of cookies — or maybe just that last part. It’s the tenet by which Cookie Monster has lived his puppet life for more than 50 years. The lovable cookie lover took ...

Ask Cookie Monster to demonstrate self-control? Sounds like the setup to a joke. The blue, furry monster we grew up with was pure id. But in recent years, Cookie has evolved as Sesame Workshop has ...