Did you know?
Age of oldest wooden wheel (5,150 y) is 2 x Time since the birth of Pythagoras (2,592 y)
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Forest in Vietnam (2011) (9,510 km^2)
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.