"You can only recycle your urine a few times before you start feeling the toxic effects of the waste that is carried in your urine. Part of the purpose of urine is to carry out waste products such as urea out of the body.
If you keep drinking…"
"There are several problems with using dew traps in the middle of the Sahara in a wide expanse of sand dunes...
First, dew only precipitates out at a certain temperature. Specifically, it must get cool enough for water to condense out of the…"
"Not sure how to answer that.
There are many sand deserts that also have lots of rocks. In some places the rocks are even great for flint knapping and making cutting tools (this is the case in some southern California deserts).…"
"Hmmm. You might wanna cross reference some of what you read in Bear Grylls book with other sources.
I would recommend reading the following books, which we keep on our shelf at Alderleaf for student…"
"Interesting. Where do you read that?
Also, holding water in your mouth forces you to breath through your nose which means you have to establish a rhythm and be consistent with your breaths. That is one of the keys to long distance…"