Science is a philosophy. The metaphysics are math. The epistemology is the five step process of observation, self consistency, universality, reproducibility, and debate. Those...
The first people in the world ate wild food that they hunted and gathered. Over the millennia they learned about the lifecycles of plants...
Farming was developed first in the Middle East, about 10,000 years ago. It was developed in China 1,000 years later, and in three parts...