If spiders make you squeamish, centipedes take the ick factor to another level. Despite their name, centipedes don’t have 100 legs—but they might have upwards of 300 or as few as a couple of dozen.

Spotting a centipede scurrying across your bathroom floor or basement wall is... unsettling, but the real problem isn't the centipede itself. Centipedes are predators that hunt other insects, which ...