Originally published on February 12, 2015. Viruses take the cake as tiniest of the waterborne disease-causing microorganisms—smaller than both protozoa and bacteria. These nasty little bugs are also the least understood by scientists, and cause the greatest range of symptoms across infected individuals. The good new is, in North American backcountries, viruses are typically considered much less of a concern than the other pathogenic threats.
On April 30, Ueli passed away in a climbing accident. We thank him for the inspiration he provided all of us at MSR.
A few things to know before you go.
The principles of training to push your limits, by big mountain skier-turned-mountaineer Caroline Gleich.
From its solitude to its hot springs, its history to its habitat, the Oregon Desert Trail offers real adventure.
Oregon Desert Trail Coordinator Renee Patrick explains why public lands should stay in public hands.
On this world water day, we give a special thanks those who are working hard to make a difference.
Explorer Eric Larsen’s class on polar travel and winter survival will have you prepared.
Our team studies how well the device works at community water faucets.