Enough to freeze your balls off (should you have them)

I've got to tell you about this story. For my current research I've moved via the Pacific and Arctic Oceans to the Southern Ocean. Out of the 'heroic age' there's this story of Ernest Shackleton. It's called the 'heroic age' since stupid men set out to prove how manly they were with nothing better than Boy Scout equipment.

Shackleton's voyage was pure madness. This was the voyage of the James Caird, described as 'one of the great boat journeys ever accomplished'. In an open whale boat no more tha