Jam's Germs on Instagram: "This is Stentor coeruleus, a unicellular organism with natural pigments in a striking cerulean blue. Despite being a single cell, Stentor can reach astonishing sizes; I’ve recorded individuals nearly half a centimeter long. . The pigment is called stentorin. In the video, you can see pigment granules forming bands between rows of pale, empty-looking lines, creating fingerprint-like patterns. These empty lines are the roots of the hair-like cilia. The cilia themselves a