Astronaut Captain Scott Kelly talks about his year on the International Space Station, including how it pushed his body the limit, why the hardest physical test was re-adjusting to life on earth, and how his experience could get NASA one step closer to a manned mission to Mars.  He reveals how he combatted boredom in space, what he missed most about earth, and how he got along with his Russian crew-mates amid strained US-Russia relations.  Plus Scott tells me if the "overview effect" ever wears off, what space smells like, and much more.

Order Scott Kelly's book Endurance: A Year in Space, A Lifetime of Discovery (available 10/17) on Amazon or Audible.  Keep up with him at www.ScottKelly.com and follow him on twitter at @StationCDRKelly.

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