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Time since the birth of al-Khwarizmi (1,242 y) is 25 x Time since the first man walked on the moon (50 y)
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Forest in Seychelles (2011) (403 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.