2012-02-10
[public] 282K views, 3.15K likes, 303 dislikes audio only
7 is an example of a happy number, as opposed to sad numbers. What makes a number happy?
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Dr Ria Symonds is from the University of Nottingham.
About the brown paper: http://periodicvideos.blogspot.com/2012/02/brown-paper-question.html
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