This is how NASA used to hire its astronauts 20 years ago—and it still works today - discu.eu

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This is how NASA used to hire its astronauts 20 years ago—and it still works today http://qz.com/486740/this-is-how-nasa-used-to-hire-its-astronauts-20-years-ago-and-it-still-works-today/ 7 comments 27/8/2015 space