When I would walk outside on a winter's day in Fairbanks, a mere 125 miles from the Arctic Circle, I would divert my breath up to my eyes (the only exposed area of my body) to keep them from freezing shut.
Sir Ranulph Fiennes is leading a team of five other explorers ina quest to achieve a feat no other human has managed - to walk across Antarctica in the near permanent darkness and super low temperatures of winter.