509 - Survival:
Episode link
Hypothermia
https://www.mayoclinic.org/first-aid/first-aid-hypothermia/basics/ART-20056624?p=1
https://www.nia.nih.gov/health/cold-weather-safety-older-adults
https://www.outdoorlife.com/blogs/survivalist/5-ways-treating-hypothermia-are-actually-dangerous-myths
https://www.princeton.edu/~oa/safety/hypocold.shtml
Build a fire in a cave for warmth
http://news.bbc.co.uk/2/hi/uk_news/england/shropshire/8390848.stm
https://www.theatlantic.com/science/archive/2017/02/the-first-fire/515427/
https://www.outdoorlife.com/articles/survival/2016/04/dead-wrong-26-survival-myths-can-get-you-killed
Eat snow to hydrate
http://boreal.net/articles/cold-weather-research/do-not-eat-snow-another-survival-myth.php
Myths about building fires rub 2 sticks, nose grease, use thumbnail to test)
https://www.outdoorlife.com/blogs/survivalist/2013/09/fire-building-5-myths-friction-fire