While you're in space, you grow in height! Without the constant force of gravity on your spine, it stretches out, and you're actually taller when you land. It doesn't last long though.

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• Christina Koch:

  All astronauts, even civilians like me without pilot experience, have to learn how to co-pilot a je

• Christina Koch:

  Most kids probably dream of becoming an astronaut. I was just the one that never grew out of it.

• Christina Koch:

  We always had National Geographic and Astronomy magazines and Popular Mechanics lying around the ho

• Christina Koch:

  When I was at the South Pole, the coldest it got - and I didn’t go outside - was minus 111. That wa

• Christina Koch:

  To see the Earth below you when we could take a break... to appreciate the environment around us wa

• Christina Koch:

  We work together as a team. And between us and between the crew and our teams on the ground, we don

• Christina Koch:

  So here in space, obviously, in microgravity, we have to use our hands to get ourselves around, to

• Christina Koch:

  I have truly been inspired by the struggle and triumphs of so many women that dare to break new gro

• Christina Koch:

  I invented an algorithm for starting micro turbo-molecular vacuum pumps to be used in science instr

• Christina Koch:

  I’ve done work wearing full cold-weather gear hanging off of scientific towers in the Antarctic and