Did you know?
Mass of an old-style London bus (AEC Routemaster) (7,470 kg) is 5 x Mass of an adult male Hippopotamus (1,500 kg)
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Land used for arable in Philippines (2011) (90 km^2)
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.