Science of Survival with Neil deGrasse Tyson & Dr. Teimojin Tan – Cosmic Queries

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 from someone who’s been there with survival doctor, veteran, and contestant on Season 9 of Alone, Dr. Teimojin Tan.

We discover Arctic warfare and what it takes to survive in the wild. What will kill you first in a survival scenario? We rank the things you need to survive and explore the importance of companionship. Teimojin tells us about his experience living alone in the Arctic for 63 days and what methods he used to avoid drop shock. What is the hardest mental aspect of surviving alone?

Learn the stages of what the body goes through during starvation. What is it like to be a doctor and knowing exactly what's happening inside your body as it's happening? We discuss ketosis, the body’s metabolic rate in the Arctic, and what happens when your fat stores deplete. How do you prevent sickness in the wild? How would we deal with isolation and intense environments in space travel?

What are best practices for designing a shelter for extreme cold? We discuss fluid dynamics and how best to retain heat. Can humans survive on drinking their own urine? Learn why that’s not such a good idea in a survival situation. We explore the law of the end of the world, the realities of self-amputation, primitive methods for staving off infection, and even more…

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Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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00:00 - Intro to Survival
7:00 - Death Sequence Ranked: Our Needs to Survive
10:30 - Experience on Alone
14:43 - Coping with Confinement
20:40 - Hallucination, Mentality, & Genghis Khan
24:32 - Stages of Starvation & Ketosis
30:35 - Preventing Sickness in the Wild
34:09 - Applying Survival to Space Travel
41:15 - Best Practices for Designing Shelter
43:51 - Is Drinking Urine Ever a Good Idea?
45:33 - Hallucinations at Altitude
48:48 - Apocalypse Preparation
50:35 - Staving Off Infection & Survival Medicine
54:28 - Can You Cut Off Your Own Limb?