Did you know? Mass of IndyCar (excl driver or fuel) on speedways (712 kg) is 10 x Mass of largest gold nugget ever found (71 kg)
GDP in Somalia (2017) (7.05 billion USD p/a)
/fact/gdp-in-somalia
Link
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.