“Sally sold seashells by the seashore,” move over. There’s a new kid in town, based on research conducted by a team at MIT. They’ve come up with the phrase “pad kid poured curd pulled cod” as one of the toughest to say quickly, based on creating combinations of alternating words—so hard that some participants simply gave up. The next step of the research process? Measuring articulation by placing tiny transducers on participants’ tongues.