What happens when knitting inspiration meets scientific method? A rare thing of pure beauty. Inspired by a pattern she found in an online knitting magazine, Karla Stuebing paired the mathematical expertise she uses as a statistical methodologist and research professor in the Department of Psychology at the University of Houston with her passion for yarn and needles. The result—a technique that’s been dubbed planned pooling—is awe-inspiring. Here’s a look at how she does it—and how you can too.