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Pop. of India (1.297billion) is 200 x Pop. of Rio de Janeiro, Brazil (6.43 million people)
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Time since the birth of physicist Marie Curie (154 y)
If this was a standard unit ...
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.