Unless you are intent on making your own maple syrup, you probably haven't given tree sap much thought. So, let's take a deeper dive into a tree's 'blood' or sap and the normal flow in the fall for ...

Natural lacquer, derived principally from the sap of the lacquer tree, is a complex biopolymer that has been used for centuries in decorative arts, coatings and high-performance adhesives. Its primary ...