Kristian Bailey is a farmer, and he also considers himself a land steward and teacher. At Orais Hand Farm, located across the road from the Mississippi River, he is trying to move away from the idea of human dominion over nature. Instead, he is wo...| Buzzsprout
Slavery followed indigo, a cash crop from which blue dye was made, around the world, until it was replaced by synthetic substitutes in the early 20th century.| HowStuffWorks