Did you know?
Time since the end of the Permian geologic period (252 million y) is 1 thousand x Time since the first modern humans (250,000 y)
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Land Area of Niger (1.267 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.