Activity for Karl‭

Type	On...	Excerpt	Status	Date
Question	—	Tree bark as food I saw a youtube video where this guy skinned a spruce tree stick and ate the bark while claiming it is nutritious. That got me curious since trees are everywhere and this could be a great tip so I tried searching for what kind of nutritional value it would have exactly. All i found was this page whic... (more)	—	almost 10 years ago
Question	—	Water filters - why sand and rocks? Saw a video on youtube where some guy made a water filter out of a bottle, charcoal, sand and little rocks. He commented that since the charcoal is very porous it's great for filtering. Then, after constructing the filter he continued to filter some dirty water and commented that the first little bit... (more)	—	almost 10 years ago