Did you know?
Age of earliest swords (3,700 y) is 40 x Time since Charles Lindbergh first flew across the Atlantic (92 y)
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Forest in Botswana (2011) (115,200 km^2)
If this was a standard unit ...
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.