Did you know? Length of a football pitch (105 m) is 25 x Length of a Nile crocodile (4.2 m)
Mass of all the water in the Earth's seas (1.35 sextillion kg)
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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.