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Video thumbnail for Why are blueprints blue? - Big Questions - (Ep. 206) | Mental Floss
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2:17
Why are blueprints blue? - Big Questions - (Ep. 206) | Mental Floss

Jan 27, 2026

Video thumbnail for Misconceptions about the Ocean - mental_floss on YouTube (Ep. 44) | Mental Floss
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4:43
Misconceptions about the Ocean - mental_floss on YouTube (Ep. 44) | Mental Floss

Jan 25, 2026

Video thumbnail for 24 Ridiculous Lawsuits - mental_floss List Show Ep. 331 | Mental Floss
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8:14
24 Ridiculous Lawsuits - mental_floss List Show Ep. 331 | Mental Floss

Jan 21, 2026

Video thumbnail for Why does my hair feel dry from chlorine? - Big Questions - (Ep. 205) | Mental Floss
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2:38
Why does my hair feel dry from chlorine? - Big Questions - (Ep. 205) | Mental Floss

Jan 18, 2026

Video thumbnail for Misconceptions about Climate Change - mental_floss on YouTube (Ep. 43) | Mental Floss
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5:31
Misconceptions about Climate Change - mental_floss on YouTube (Ep. 43) | Mental Floss

Jan 15, 2026

Video thumbnail for 26 Fun Facts about Money - mental_floss List Show Ep. 330 | Mental Floss
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5:36
26 Fun Facts about Money - mental_floss List Show Ep. 330 | Mental Floss

Jan 12, 2026

Video thumbnail for Are there good viruses? - Big Questions - (Ep. 204) | Mental Floss
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2:27
Are there good viruses? - Big Questions - (Ep. 204) | Mental Floss

Jan 8, 2026

Video thumbnail for Misconceptions about Movie Making - mental_floss on YouTube (Ep. 43) | Mental Floss
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5:00
Misconceptions about Movie Making - mental_floss on YouTube (Ep. 43) | Mental Floss

Jan 6, 2026

Video thumbnail for 28 Interesting Facts about Inventors - mental_floss List Show Ep. 329 | Mental Floss
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6:01
28 Interesting Facts about Inventors - mental_floss List Show Ep. 329 | Mental Floss

Jan 3, 2026

Video thumbnail for Why do my joints hurt more when it rains? - Big Questions - (Ep. 203) | Mental Floss
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2:26
Why do my joints hurt more when it rains? - Big Questions - (Ep. 203) | Mental Floss

Dec 31, 2025

Video thumbnail for Misconceptions about Disease - mental_floss on YouTube (Ep. 42) | Mental Floss
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4:49
Misconceptions about Disease - mental_floss on YouTube (Ep. 42) | Mental Floss

Dec 27, 2025

Video thumbnail for 24 Facts about Musicals - mental_floss List Show Ep. 328 | Mental Floss
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5:29
24 Facts about Musicals - mental_floss List Show Ep. 328 | Mental Floss

Dec 23, 2025

Video thumbnail for Why do we cry? - Big Questions - (Ep. 202) | Mental Floss
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2:45
Why do we cry? - Big Questions - (Ep. 202) | Mental Floss

Dec 19, 2025

Video thumbnail for Misconceptions about Money - mental_floss on YouTube (Ep. 41) | Mental Floss
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5:06
Misconceptions about Money - mental_floss on YouTube (Ep. 41) | Mental Floss

Dec 17, 2025

Video thumbnail for 33 Unusual Old Remedies - mental_floss List Show Ep. 327 | Mental Floss
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6:28
33 Unusual Old Remedies - mental_floss List Show Ep. 327 | Mental Floss

Dec 14, 2025

Video thumbnail for Where did we get the name America? - Big Questions - (Ep. 201) | Mental Floss
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3:02
Where did we get the name America? - Big Questions - (Ep. 201) | Mental Floss

Dec 10, 2025

Video thumbnail for Misconceptions about Social Media - mental_floss on YouTube (Ep. 40) | Mental Floss
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5:14
Misconceptions about Social Media - mental_floss on YouTube (Ep. 40) | Mental Floss

Dec 6, 2025

Video thumbnail for 28 Unusual Political Parties - mental_floss List Show Ep. 326 | Mental Floss
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6:02
28 Unusual Political Parties - mental_floss List Show Ep. 326 | Mental Floss

Dec 3, 2025

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About Mental Floss
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Mental Floss is where curious people come for trivia-tastic information. Mental Floss produces lists of fun facts, debunks common misconceptions, and tells untold stories from history, science, culture and more. We welcome and encourage you to engage in fun, thoughtful, and meaningful conversations in the comments of our videos. However, we strongly condemn and will not tolerate discrimination, bullying, or hate in any form. Mental Floss values diversity of opinions and we are here to spread positivity and understanding as we cherish our differences. Stay curious!

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