Survivalist Matt Graham shows what options are available if someone's in the wilderness and hasn't had luck finding food. It looks like it's time to eat a pine tree. Pine trees don't seem like they'd be a good choice for finding a meal that'll help anyone keep going. But Graham shows us that ...

We knew pine trees had a lot of uses, and while we knew pine nuts were edible, we had no idea you could actually eat part of the bark. It turns out there's a thin white layer under the rougher bark that can be eaten raw or once it has dried out. As abundant as pine trees are, this is good ...