There are three major types of colophony, depending on whether the source of the oleoresin is gum, wood, or tall oil. Gum rosin (the most common source) is recovered from the sap of living pine trees.

From his actions, and the glee that they have elicited, one learns not that the health-care system is broken but that many people are.

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Sun Herald. “Most people would’ve torn it down. I didn’t.” In 1909, Ohioan Homer Yaryan, inventor of a process to extract turpentine and rosin from pine stumps and wood knots, chose the Gulfport area ...