Returning the 'three sisters' – corn, beans and squash – to Native American farms nourishes people, land and cultures
2020 Nov 20
The 'three sisters' are staple foods for many Native American tribes. Marilyn Angel Wynn/Getty Images
For centuries Native Americans intercropped corn, beans and squash because the plants thrived together. A new initiative is measuring health and social benefits from reuniting the "three sisters."