Did you know? Mass of a typical American football (410 g) is 2.5 x Mass of a regulation pool ball (165 g) Tweet this comparison
Forest in Turkmenistan (2011) (1,600 km^2)
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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.