'Professor Popsicle' shoots down some myths about hypothermia

If you sit in near-freezing water long enough to have mild hypothermia, and repeat this 40 or 50 times in the name of science, people will start calling you Professor Popsicle. We interviewed him for our seasonal series, the Science of Winter.
Meet Gordon Giesbrecht, physiologist and University of Manitoba professor, a guy who knows all your cherished beliefs about the cold and loves to tear them down.
He does much of his work in a tank of ice water, with monitors stuck to his body. Students als