Did you know? Lifespan of horse (30 y) is 500 x Lifespan of housefly (0.06 y)
Mass of a USA quarter (25c piece) (5.67 g)
/fact/mass-of-a-usa-quarter-25c-piece
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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.