Did you know? Time since building of Stonehenge (5,120 y) is 25 x Time since the birth of mathematician Maria Gaetana Agnesi (206 y)
Mass of an adult male Bengal Tiger (220 kg)
/fact/mass-of-an-adult-male-bengal-tiger
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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.