How many pairs of Nikes® or Apple® products are in the average American home? What makes someone buy one particular type of laundry detergent over another? Scholars grapple with these questions as they develop a list of brands they use...

Upcoming chemists use chemical reactions to determine relative pH in two different acids. This is a terrific lesson plan for middle schoolers that can stand alone as a practice in precision and lab skills, or as part of the unit on...