Three Sisters – corn, beans, and squash
Corn, beans, and squash growing together When people in South America began to farm corn and beans and squash, they worked out a system for growing all three plants in the same field that was [...]
Corn, beans, and squash growing together When people in South America began to farm corn and beans and squash, they worked out a system for growing all three plants in the same field that was [...]
A pile of salt In the Stone Age, people didn't need to find salt, because they were hunting a lot of their food, and eating a lot of red meat. [...]