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Agriculture

Bracero Program

Bracero Program

For parts of the 20th century, the U.S. and Mexico had agreements in place allowing, and even encouraging, Mexican nationals to enter the U.S. to perform agricultural work and other labor in the American Southwest. See more »

The American Hippo Ranch Plan, Part 2

The American Hippo Ranch Plan, Part 2

Once the effort to import hippos to the U.S. got the backing of a politician, two men with wild and intertwined histories, Frederick Russel Burnham and Fritz Duquesne, were brought on board to serve as experts and advocates. See more »

The American Hippo Ranch Plan, Part 1

The American Hippo Ranch Plan, Part 1

In 1910, the U.S. had a meat shortage and a water hyacinth overgrowth problem. The obvious solution to the double dilemma: Import hippos from Africa. See more »

Year Without a Summer

Year Without a Summer

In 1816, a volcano eruption in Sumbawa, Indonesia, along with several other factors, created an unusual -- and catastrophic -- series of weather events. See more »

The Great Leap Forward

The Great Leap Forward

In the mid-20th century, Chairman Mao Zedong launched an ambitious plan to revolutionize Chinese agriculture and industry, build up the economy and turn China into a communist utopia. See more »

Here, Kitty Kitty: The Domestication of the Cat

Here, Kitty Kitty: The Domestication of the Cat

The human culture shift to an agricultural lifestyle started the domestication of animals. Cats naturally moved in to help with rodents. Today, there are 600 million cats living with humans, and another estimated 600 million living independent of people. See more »