The renowned mountain guide who used xenon gas treatment to put clients on top of Mount Everest and return them home within a ...

KATHMANDU, Nepal — Using xenon gas treatment and the latest technology is making climbing Mount Everest ... one week there compared to eight weeks, it is a 75% reduction of human waste, ...

Using xenon gas treatment and the latest technology is making climbing Mount Everest not ... spend one week there compared to eight weeks, it is a 75 precent reduction of human waste," he said.

open image in gallery Four British climbers pose on the summit of Mount Everest less ... spend one week there compared to eight weeks, it is a 75 precent reduction of human waste," he said.

When Tenzing Norgay and Edmund Hillary made their first successful ascent of Mount ... the Everest base camp – there is roughly only half as much oxygen available for us to breathe compared ...

How much does it cost to climb Everest? Why do they climb the same route every year? We answer your questions about the world ...