Did you know? Age of earliest sewing needle (30,000 y) is about as big as Time since extinction of Neanderthals (30,000 y)

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.