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Height of the spire of Salisbury cathedral (123 m) is 40 x Height of a basketball hoop (3.048 m)
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Top speed of a Spotted Hyena (64 km/h)
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.