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Break-up of Pangaea into today's continents (175 million y) is 5 thousand x Age of the earliest cave paintings (35,000 y)
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Forest in Norway (2011) (90,000 km^2)
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.