Did you know? Pop. of Madrid, Spain (3.21 million people) is 1 thousand x Estimated world population of European Bison (3,200 individuals)
Speed of Earth's rotation around the Sun (107,000 km/h)
/fact/speed-of-earths-rotation-around-the-sun
Link
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.