Did you know?
Period of Halley's Comet's orbit (75.3 y) is 2 x Time since first Apple Macintosh Computer launched (38 y)
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Land used for permanent pasture in Guinea-Bissau (2011) (2,380 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.