If you pass out, the main thing to do is to set up a tourniquet. You dunk an extremity in the cold and then kind of saw that on. After a certain amount of time, that stop and blood flow will affect your nerves. Neil the grass Tyson: "This is what a whole lot of people think the future needs"
Can science help you survive in the Arctic? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly learn about what happens to the body during starvation and harsh conditions with survival doctor and contestant on S9 of Alone, Dr. Teimojin Tan.
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Photo Credit: Christian Uhlig, CC BY 3.0, via Wikimedia Commons
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