Did you ever wonder how people started fires before matches and waterproof lighters? Some would use friction-based fire starting methods. But if you’ve ever tried making a fire with a bow drill or flint, you know that it isn’t easy. More importantly, you need a good tinder that will easily catch fire. The Vikings found a unique – and gross – solution for this. To start fires, the Vikings would use a type of fungus called Fomes fomentarius, which is found in Europe, North America, and Asia. It is