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Time since building of the Great Pyramid of Giza / Cheops / Khufu (4,580 y) is 10 x Time since the birth of Galileo (456 y)
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Mass of an Emu (38 kg)
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.