Did you know?
Diameter of the Earth (12,760 km) is 5 x Length of the Zambezi River (2,574 km)
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Pop. of United States (329million)
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.