Did you know?
Longest flight of a paper airplane (69.1 m) is 2 x Length of the Millennium Falcon spaceship in the Star Wars movies (34.8 m)
Tweet this comparison
Estimated world population of Alpine Ibex (30,000 individuals)
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.