Social media sensation, photographer - of and space station astronaut - Chris Hadfield's latest adventure is a little gross - but no less fascinating.
The commander of Expedition 35 to the ISS recently showed the world how to throw up in space.
Hadfield explained in his video that astronauts typically feel queasy upon arriving at the platform 120 miles above Earth's surface.
But given the lack of gravity, throwing up isn't really an option unless you know the technique - and have the right equipment.
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Take a look at how it's done above.