In its 42nd season, the preschool educational series is tackling math, science, technology and engineering -- all problem areas for America's students -- in hopes of helping kids measure up.

'Sesame Street' Stars Elmo and Abby Cadabby Sing and Host in Their Grand Ole Opry Debut NASHVILLE, Tenn. (AP) — For a 3 1/2-year-old, Elmo sure has sung a lot on “Sesame Street” with some of ...