Did you know? Number of active personnel in the Iranian Armed Forces (610,000 ) is 5 thousand x Number of passengers in a carriage of an Underground train on London's Bakerloo line (121 )
Time since the earliest farming (11,500 y)
/fact/time-since-the-earliest-farming
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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.