CLICK HERE to follow us to Vsauce2 -- http://bit.ly/X8elqv Intro cameo by my 1 tru luv Hannah Hart: http://bit.ly/YzjPtU SOURCES: history of clothing: http://mbe.oxfordjournals.org/content/28/1/29.full Etymology of embarrassment: http://en.wikipedia.org/wiki/Embarrassment#Etymology The fear of nudity: http://en.wikipedia.org/wiki/Gymnophobia SINA and other pranks: https://www.youtube.com/watch?v=J3xXys3n3xc Embarrassment: http://www.psychologytoday.com/blog/intense-emotions-and-strong-feelings/201112/embarrassment Brain and embarrassment: http://psychcentral.com/news/2011/04/17/embarrassed-its-a-good-sign-of-brain-health-as-we-age/25399.html Embarrassment experiment: http://www.learningace.com/doc/835121/88601b906eca070a1bacdfc565863f4d/feinbergwillerkeltner2012 Embarrassment and trust: http://www.huffingtonpost.com/2011/09/29/embarrass-trustworthy_n_987381.html Embarrassment and flirting [PDF]: http://greatergood.berkeley.edu/dacherkeltner/docs/keltner.anderson.darwin.2000.pdf Havelock Ellis "evolution of modesty": http://www.mirrorservice.org/sites/ftp.ibiblio.org/pub/docs/books/gutenberg/1/3/6/1/13610/13610.txt BBC article: http://news.bbc.co.uk/1/hi/magazine/7915369.stm Megapode: http://en.wikipedia.org/wiki/Megapode Development of human babies: http://en.wikipedia.org/wiki/Incidence_of_Monogamy#Evolution_in_animals Brain size and body size: http://brainmuseum.org/evolution/paleo/index.html EQ: http://en.wikipedia.org/wiki/Encephalization_quotient VSAUCE TWITTER: http://www.twitter.com/tweetsauce MUSIC BY null VSAUCE FACEBOOK: http://www.facebook.com/VsauceGaming