Did you know? GDP in Spain (2019) (1.393 trillion USD p/a) is 50 x GDP in North Korea (2013) (28 billion USD p/a)
Mass of all the Earth's land mammals (1.3 trillion kg)
/fact/mass-of-all-the-earths-land-mammals
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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.