This is a very good video to watch, in fact watch all of Dr. Gordon Giesbrecht's videos on survival in very cold water. There are a lot of things I learned that I didn't know before.
One of the most interesting things was that you don't die of hypothermia right away. You have several minutes. It's usually that you end up drowning if you fall through the ice into frigid water. I will let you watch the video to find out why.
He studies thermodynamics of the human body; how the human body reacts under cold- and especially cold + wet, conditions.
Even though I don't go out walking on ice if I can avoid it, it's good to know these survival skills because I could possibly come upon someone else who has fallen through the ice, and then I would know what to do to help them.
Also, I can teach my kids what to do, in case they are ever out doing some kind of winter sports or winter activity and an accident happens either to them or to someone in their group.
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