Selling Teens: Using the Merchants of Cool PBS documentary to examine media influence on teens part of Examples
This is a PBS Frontline broadcast support site which examines the role of marketing to teens, and the influence marketing has on teen culture.

Case Study of Nitrogen in various parts of the Nitrogen cycle: How nitrogen affects human activity and the Environment part of MnSCU Partnership:PKAL-MnSCU Activities
In this activity, students will be exposed to aspects of many disciplines of biology to understand how interconnected ALL of the many microcosms of science courses are actually interrelated.