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Time since the start of the last glacial period (Ice Age) (110,000 y) is 20 x Time since first domestication of horses (5,500 y)
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Other land in Seychelles (2011) (22.75 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.