But rather than pulling everyone in, last man first along the rope, they drift completely off-course. - Number Two is here. Is Number Three here? - Number Three is here. Number Four? - Towards the sun. - No, not towards the sun. - Left. - We need to go left. Left, stay left. We don't know where he's standing though, so left might be different for him. - Correct. - Number Two. - Okay, Number One. - I'm here. For most of our time here, we had postcard-pretty weather conditions. This was frustrating because I loathe the sun both on my celluloid and my skin. So it almost came as a relief when a few days later, the weather suddenly changed. The storm soon broke and we were allowed to venture out of McMurdo for the first time. We set out on snowmobiles, in front of us miles and miles of frozen ocean. We were heading toward a field camp of scientists who study seals. It was amazing to consider that a mere six feet under us was the expanse of the Ross Sea. These scientists here are particularly interested in the feeding cycle of the Weddell seal. In just a few short weeks, pups grow rapidly, while mothers lose some 40% of their body weight. Bagging the seal's head keeps the animal calm as the scientists extract a milk sample. Well, this really is quite a wonderful group of animals to work on. Weddell seals in particular, you can