Add Yahoo as a preferred source to see more of our stories on Google. Factor's updated climbing bike, the O2 VAM Factor's elegant new O2 VAM has already broken cover at this year's Tour de France, - ...

Polish adventure skier Andrzej Bargiel has made history by becoming the first person to climb and ski down Mount Everest without using supplemental oxygen. The 37-year-old completed this remarkable ...

When we proposed climbing Everest without oxygen in 1978 people told us it wasn't possible, that we were risking our lives. They said we would lose our brains up there. When the first climbers on the ...