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Time since the birth of Marco Polo (767 y) is 5 x Time since the birth of physicist Marie Curie (154 y)
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Forest in Botswana (2011) (115,200 km^2)
"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.