A leaf 100 feet (30.5 meters) up in a tree needs Calcium. It sends that message down the tree to its roots where it is delivered to the biological life teeming in the soil which in turn fills the leaf’s need in exchange for sugars the leaves made during photosynthesis. The leaf receives its Calcium 90 seconds after its initial request. And the soil receives its Carbon from the earth and sun above.
Did anyone ever teach you that in high school? Continue reading “Our Future Depends On Understanding Dr Elaine Ingham”