America's Heartland

1208

Examine the smartphone's potential for farming in third-world nations. Then, explore the story of how soybeans became a prevalent part of our diet and travel to California to harvest a glowing white crop of salt.

1208

26m 40s

Examine the smartphone's potential for farming in third-world nations. Then, explore the story of how soybeans became a prevalent part of our diet and travel to California to harvest a glowing white crop of salt.

WETA Passport

Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.