https://www.cypher-news.com/2026/02/it-didnt-take-the-usual-two-months-these-five-guys-used-a-secret-weapon-to-summit-mount-everest-in-five-days/?utm_source=home-headline
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The climbers—who are all former special forces soldiers—left the United Kingdom on May 16. By 7:10 a.m. on May 21, they were standing on the top of the 29,032-foot-tall peak, according to Agence France-Presse.
These guys thought two months was way too long. They decided to compress the timeline. They trained for months at home using hypoxic tents and restricted-oxygen workouts to simulate the high altitude of Everest. And then came the really controversial part. Shortly before the climb, they underwent a supervised xenon gas treatment in Germany, a move they hoped might give their bodies an extra edge in handling low-oxygen conditions..."