I read the July 28 Newscripts, written by Fionna Samuels, with great interest and humor. Many years ago, I was a Boy Scout earning the rank of Eagle and earning the chemistry merit badge along the way ...

A jet of Diet Coke mixed with Mentos candy arced skyward, and assorted youths scattered out of the way, the result of a chemistry demonstration by Scout leader Ken Collins as he worked with members of ...