Of the 335 people who have died on the slopes of Everest, around 15 per cent were killed by altitude sickness. But Mr Furtenbach believes that inhaling small amounts of xenon gas could dodge these ...

For one, the cost of a 30-minute session to breathe in the anesthetic gas costs $5,000 per person, adding to the already significant number on the "climbing Mount Everest" price tag. For another ...

A group of commercial Everest climbers plan to complete their climb in a week by chemically boosting their acclimatization and performance using a new method. They will sip xenon gas just before ...

Furtenbach charges $154,000 to climb Mt. Everest with him on Xenon gas. The gas itself costs $5,000 per person for a 30-minute session (Financial Times). While mountaineering does not fall under ...