What's different about food in space? Former NASA astronaut Mike Massimino breaks down all the differences between eating on Earth and eating in space. Is astronaut ice cream REALLY a thing? Who decides what food is brought to space? Can you eat burgers in space? Why do astronauts use tortillas instead of bread?

Mike Massimino is a former NASA astronaut, senior advisor for space programs at the Intrepid Museum, and professor at Columbia University.

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