🌿 How to Use Lichen to Navigate! 🧭✨Ever noticed how lichen grows in patterns? These tiny organisms contain algae or cyanobacteria that photosynthesize to survive. But here’s the cool part—some lichens LOVE the sun, making them natural navigation tools! ☀️🌍🔎 Look closely at fence posts, tree trunks, and rocks—lichen often grows more densely on the sunniest side. In the Northern Hemisphere, that’s usually the south-facing side! (Heads up, Southern Hemisphere friends—it’s the opposite for you!

Ancient Lichen