When Colin Purrington looked at a sample of dried figs under a microscope recently, he answered a question that had been bugging him for years. Inside the chewy fruits, he found the shriveled remains ...
Colin Purrington, a retired Swarthmore College biology professor at his home in Swarthmore, holds a tube with a tiny wasp that he found in a dried fig from Trader Joe's. (Alejandro A. Alvarez/The ...
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