Add Yahoo as a preferred source to see more of our stories on Google. Girl holding potting soil with white specks - Stephaniefrey/Getty Images If you've ever leaned in for a closer look at your ...

If you've ever leaned in for a closer look at your houseplant and spotted mysterious white balls dotting the soil, you're not alone. These tiny spheres, typically 2 to 3 millimeters across, often ...