It's an interesting subject - the science behind it all - and what we take for granted when it comes to drinking water thats safe with the turn of a tap.
If you're a scout, parent, or scout master and you're interested in learning more about lightweight backpacking and scouting, here are some good online resources.
Opportunities for "grey nomad" retirees to earn money fruit picking whilst they travel Australia.
Interesting that grey nomads have been found to be more reliable than backpackers.
Interesting forum thread discussing the merits of using stretchers or self-inflating mattresses for children when undertaking cold weather travel through the Australian desert.