Did you know?
Mass of an adult male Bengal Tiger (220 kg) is 2 x Mass of an ostrich (approx) (111 kg)
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Duration of Roman Empire (503 y)
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.