TED Talks
Robert Neuwirth: The power of the informal economy
Robert Neuwirth spent four years among the chaotic stalls of street markets, talking to pushcart hawkers and gray marketers, to study the remarkable "System D," the world's unlicensed economic network. Responsible for some 1.8 billion...
PBS
Pbs Learning Media: World Explorers: Rene Robert Cavelier De La Salle
Learn about French explorer Rene-Robert Cavelier de La Salle. He established Fort Frontenac on the Great Lakes. He then traveled across the Great Lakes and explored the length of the Mississippi River, establishing Louisiana Territory at...