RACE TO THE POLE

I wonder how they survive in the pole . It is very cold and page 58 states that the weather degrees fall beneath 0 , it was so cold that  11 dogs died from the cold. Even if Dr Edward Willson  had sringes for frost bites he would of eventualy ran out of them so that would of not been the most helpful thing but for the first few days. I wonder if they caught that disease when you stand in the cold your fingers and maybe even your nose would fall of it is like  leapracy