Did you know?
Mass of water in an Olympic Swimming pool at minimum depth of 2m (2.5 million kg) is 1 thousand x Mass of an adult male giraffe (2,500 kg)
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Other land in Iran (2011) (73,600 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.