Caleb Scharf: Living on Mars is complicated, actually
Caleb Scharf, the director of Astrobiology at Columbia University, talks with Recode's Kara Swisher about the under=discussed dangers humans would face in space and the rise of private space exploration, as championed by billionaires such as Elon Musk and Richard Branson. Scharf wrote a piece for Scientific American earlier this year, "Death on Mars." about the hazards of the Martian environment for humans, and explains what we know — and don't know — about how human explorers might be able to survive. Plus: Is space tourism actually a good idea?
Caleb Scharf (@caleb_scharf), director of astrobiology, Columbia University
Kara Swisher (@karaswisher), Recode co-founder and editor-at-large
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