Did you know? Circumference of Neptune (154,600 km) is 2 thousand x Length of the Panama Canal (77 km)
Number of cars in the world (1.2bn )
/fact/number-of-cars-in-the-world
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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.