Add Yahoo as a preferred source to see more of our stories on Google. Getty Images Unless you are intent on making your own maple syrup, you probably haven't given tree sap much thought. So, let's ...

Tree sap is the sticky substance you sometimes see oozing out of tree trunks. Pure maple syrup is the most widely known edible sap product, derived from the sap of the maple tree, but there are many ...

Just as blood moves important stuff around the human body, sugary sap moves important things around a tree. My friend Nadia Valverdi told me all about it. She’s a researcher at Washington State ...

Real syrup flowed smoothly over stacks of pancakes at the annual Trees to Table Pancake Feed on Saturday morning. Marshall ...

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 ...