Cosmic Queries – Humans in Space

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.

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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.