The Benefits of Freediving With Pure Oxygen

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When you are diving, the risk of bubbles trapped in your lungs because of different pressures and different gases. We wanted absolutely to avoid that so diving with pure oxygen avoids this completely. And it has another benefit: The greater risk when you are at I altitude is altitude sickness. So we were lucky enough to be also trained by the military. They came up with not the civilian rebriever, which is the big thing on the back that you carry on your back. We actually were given Navy SEALs commando rebrivers. You worked with Navy SEALs for this? Yes. It was a good trade off.

Nathalie Cabrol is an astrobiologist at the SETI Institute, directing the Carl Sagan Center for the Study of Life in the Universe. Please support this podcast by checking out our sponsors:
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In Her Orbit (article): https://nytimes.com/interactive/2018/03/22/magazine/voyages-nathalie-cabrol-searching-mars-life-on-earth.html

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OUTLINE:
Here’s the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.
(00:00) – Introduction
(06:47) – Working in extreme environments
(11:26) – Water and life on Mars
(19:31) – Origin of life
(37:00) – Complexity
(40:37) – AI
(49:23) – Extinction
(57:06) – Fermi Paradox
(1:10:48) – SETI research
(1:13:39) – Diving in volcanic lakes
(1:32:57) – Surviving an earthquake on a volcano
(1:43:37) – Resilience of life
(1:51:31) – Life below the surface of Mars
(2:00:26) – Depression
(2:04:08) – Mortality