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GDP in United States (2015) (18.77 trillion USD p/a) is 2.5 x Total value of all gold ever mined ($7.5trillion)
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Number of bones in the human body (206 )
If this was a standard unit ...
"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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Click here for Podcast: Andrew Elliott interviewed for New Books Network.