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NASA Space Station On-Orbit Status 9 December 2020 - New Space Biology Experiments Status Report - Source: SpaceRef Expedition 64 Flight Engineer Michael Hopkins checks on biological samples. The Expedition 64 crew kicked off an array of new space biology experiments delivered this week aboard the SpaceX Cargo Dragon. The International Space Station residents will be gaining unique insights about the human heart, muscles and stem cells that only microgravity can provide. NASA astronaut Kate Rubins started looking at cardiovascular cells inside the Life Science Glovebox today for...

I was really amazed that until very recently, he was flying an airplane by himself. >> it's also sort of now in many ways people take space flight for granted now. but when john glenn was, you know, doing it early on, it's obviously an incredibly risky thing even now, but there was so much still to be learned, so much still kind of unknown. >> yeah. at that time, you know, during those early -- those very early days, it wasn't even clear how the human physiology -- you know, if our hearts would beat the right way and if we would actually be able to survive in a microgravity environment. in add...

But when john glenn was, you know, doing it early on, it's obviously an incredibly risky thing even now, but there was so much still to be learned, so much still kind of unknown. >> yeah. at that time, you know, during those early -- those very early days, it wasn't even clear how the human physiology -- you know, if our hearts would beat the right way and if we would actually be able to survive in a microgravity environment. in addition to the rocket, the risk of the rocket blowing up, which we had a lot of rockets blowing up at that time, there was also the risk of if our physiology would ev...