Mental Floss: Big Questions - Unknown - Season 2

TheTVDB.com Season ID 648272
Created October 21, 2014
Modified August 29, 2022

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When available, episode names will be translated into your preferred language. Otherwise they will be shown using the series' origin language.

	Name	First Aired	Runtime
S02E01	Where did we get the name America?	September 7, 2015 YouTube	3
S02E02	Why do we cry?	September 14, 2015 YouTube	3
S02E03	Why do my joints hurt more when it rains?	September 21, 2015 YouTube	3
S02E04	Are there good viruses?	September 28, 2015 YouTube	3
S02E05	Why does my hair feel dry from chlorine?	October 5, 2015 YouTube	3
S02E06	Why are blueprints blue?	October 12, 2015 YouTube	3
S02E07	Why is my voice different when I hear a recording?	October 19, 2015 YouTube	3
S02E08	Why is there a joker in playing card decks?	October 26, 2015 YouTube	3
S02E09	Why does daylight saving time vary by country?	November 2, 2015 YouTube	3
S02E10	What causes motion sickness?	November 9, 2015 YouTube	3
S02E11	Why do babies' eyes change color?	November 16, 2015 YouTube	3
S02E12	What's the difference between American and Canadian Thanksgiving?	November 23, 2015 YouTube	3
S02E13	How did eating popcorn become a custom at movie theaters?	November 30, 2015 YouTube	3
S02E14	Does cracking your knuckles cause arthritis?	December 7, 2015 YouTube	3
S02E15	Why do we get songs stuck in our heads?	December 14, 2015 YouTube	3
S02E16	Why does sudden exposure to the sun cause sneezing?	January 4, 2016 YouTube	3
S02E17	Why do people have birthmarks?	February 1, 2016 YouTube	3
S02E18	What makes hair naturally straight or curly?	March 7, 2016 YouTube	3
S02E19	Where did emojis come from?	April 4, 2016 YouTube	3
S02E20	Why do some countries drive on the left and some on the right?	May 2, 2016 YouTube	3
S02E21	What's a brain freeze?	June 6, 2016 YouTube	3
S02E22	What's the origin of fireworks?	July 1, 2016 YouTube	3
S02E23	Why are there 24 hours in a day?	August 8, 2016 YouTube	3
S02E24	Why do traffic jams occur?	September 5, 2016 YouTube	3
S02E25	How does ghost hunting technology work?	October 3, 2016 YouTube	3
S02E26	Why aren't there B batteries?	November 7, 2016 YouTube	3
S02E27	Do hats cause balding?	December 5, 2016 YouTube	3
S02E28	Why do we close our eyes when we sneeze?	January 9, 2017 YouTube	3
S02E29	Is there an explanation for déjà vu?	February 6, 2017 YouTube	3
S02E30	Do you need to wash food before eating it?	March 6, 2017 YouTube	3
S02E31	Why did we stop going to the moon?	April 3, 2017 YouTube	3
S02E32	What's the history of lawn mowing? series finale	May 1, 2017 YouTube	3

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