Expedition 3 focused on infectious diseases and epidemics, an issue that appears in the news with greater and greater frequency. The question: is there really cause for alarm, or is it all news hype? What do high schoolers need to know about infectious diseases - as students and as world citizens?

The Expedition 3 team spent four days on and around the Montana State University campus, talking firsthand with professors and professionals who deal with infectious diseases. They also spent many hours playing a simulation, "The Curse of South Spratly Island," which gave them insight into the economic, political and human factors behind disease statistics.

This was a challenging expedition...