International Space Station: Is it ok to swallow toothpaste as Chris Hadfield does in this video? - Quora
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Edible toothpaste made for ailing father sent to space station | The Asahi Shimbun: Breaking News, Japan News and Analysis
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Edible toothpaste made for ailing father sent to space station | The Asahi Shimbun: Breaking News, Japan News and Analysis
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An artificial meniscus and 371 days of swallowing toothpaste: Frank Rubio's adventures in space | Science | EL PAÍS English
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Christmas dinner on the International Space Station: What do the astronauts eat? | The Independent | The Independent
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