S IS FOR STEM: Can you spell S-T-E-M? Your lovable, fuzzy friends will certainly try during this 42nd season of Sesame Street, which will feature STEM skill skits (try saying that fast) and experiments, according to Rosemarie Truglio, VP for education and research at Sesame Workshop, the non-profit that produces the show. Now children can follow Super Grover 2.0, the blue monster armed with the power of investigation, as he explains the mind-blowing phenomena of melting ice cream and bubbles (which we still have trouble explaining to little or big "kids").