America's Heartland

521 (5x21)

Data de estreia: Jan 27, 2010

Learn about the many uses for soybeans in a journey from rural Iowa to San Francisco. You'll explore efforts to grow the market for soy-biodiesel fuel, discover industrial products made from soy oil, and hear from a leading soybean researcher. You'll also see the popularity of soy-based foods in San Francisco's Japan Town and even visit a beauty store selling soy-based lotions and cleansers.