We've all heard stories about how people saved their lives by drinking their urine. Is drinking urine safe when there are no other water sources available? Can I filter it with a water purifier?
There are a number of ways to purify water, off the top of my head we have filters, iodine, and boiling. Clearly each has some advantage/disadvantage (iodine tastes terrible, boiling takes time). ...
In some places, the Swedish Lappland for example, it's perfectly fine and even recommended to drink water directly from streams. Is it also recommended whilst hiking in the Alps, and if so is it only ...