Did you know? Duration of Toltec Empire (626 y) is about as big as Duration of Ottoman Empire (623 y)
Number of base pairs in the human genome (3bn )
/fact/number-of-base-pairs-in-the-human-genome
Link
If this was a standard unit ...
"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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Click here for Podcast: Andrew Elliott interviewed for New Books Network.