There are many mysteries below the surface of the earth, and rocks carry the evidence that helps geologists piece together the clues. Lance Kearns (James Madison University) and Cindy Kearns (James Madison University) are a husband and wife team who conduct the only field geology course in Virginia.

Also featured: The human urge to travel provides a steady revenue for the tourism industry, a worldwide business that’s been hit hard by the global economic slowdown. David Weaver (Geord Mason University) says though people are drawn to visit former battlefields, a healthy tourism industry is one ingredient required for a peaceful world.

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