Did you know? Length of the Congo River (4,700 km) is 25 x Length of the M25 Orbital motorway around London (188 km)
Time since the birth of Fibonacci (854 y)
/fact/time-since-the-birth-of-fibonacci
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.