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In this episode, John Green runs through 43 words that were invented by authors. | By Mental Floss | Facebook
New show on Mental Floss is starring John Green and friends, SCATTERBRAINED. First episode is out! : r/nerdfighters
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100 Amazing Facts - mental_floss on YouTube (Ep.225) - YouTube
The Green Movement | Mental Floss
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Mental Floss Is Buoyed by Online Video - The New York Times
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Mental Floss - Wikipedia
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Hank and John Green produce some of the most intelligent, funny and education content on youtube. Mental Floss, SciShow and Crash Course are three of my favo… | 사진
How Mental Floss became the leading publisher of obscure trivia
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Thanksgiving Q & A with John Green "Mental Floss" video! by Kristy Gross
Thanksgiving Q & A with John Green "Mental Floss" video! by Kristy Gross
Mental Floss John Green Gifts & Merchandise for Sale | Redbubble
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