A paradox and some counterintuitive & surprising things that have been on my mind while meeting you guys during YouTube Fan Fest! **Subscribe to Vsauce and Veritasium to see our upcoming COLLAB!!** Veritasium: https://www.youtube.com/user/1veritasium FOLLOW: http://www.twitter.com/tweetsauce INSTA: http://instagram.com/electricpants My show in Singapore for YouTube FanFest: http://www.youtube.com/watch?v=SFxwhoCZei0 Great Monty Hall videos: https://www.youtube.com/watch?v=4Lb-6rxZxx0 https://www.youtube.com/watch?v=njqrSvGz8Ps https://www.youtube.com/watch?v=7u6kFlWZOWg Three Prisoners Problem on wikipedia: http://en.wikipedia.org/wiki/Three_Prisoners_problem unclimbed peaks: http://www.peakware.com/highest.html?list=unclimbed Earth spinning footage: http://svs.gsfc.nasa.gov/vis/a000000/a001300/a001371/ baseballs and air humidity: http://www.exploratorium.edu/baseball/howfar3.html the word "normal": https://www.wolframalpha.com/input/?i=normal standard deviation and means: http://www.physics.csbsju.edu/stats/descriptive2.html normal distribution: http://en.wikipedia.org/wiki/Normal_distribution http://en.wikipedia.org/wiki/Normality_(behavior) MUSIC BY: http://www.youtube.com/JakeChudnow