Why does tree sap turn into amber? -- Jevon Williams, 8, Washington Amber is actually made of resin, a different tree goo altogether. While sap is watery and flows through a tree the way blood flows ...

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 ...

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 ...