Neil deGrasse Tyson answers fan-submitted Cosmic Queries about manned space exploration with NASA Twin Study principal investigator biologist and geneticist Chris Mason, PhD, and comic co-host Matt Kirshen.

NOTE: StarTalk+ Patrons and All-Access subscribers can watch or listen to this entire episode commercial-free here: https://www.startalkradio.net/show/cosmic-queries-humans-in-space/

Thanks to our Patrons Michael Gessner, Riyam Samarrai, Doug Sherman, John Gallagher, Keith Howell, Gustavo Maia, Jonathan Gaffers, and Kyle Thomas for supporting us this week.

Photo Credit: NASA.

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