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Length of the USA / Canada border (8,890 km) is 5 x Length of the Beijing-Hangzhou Grand Canal (1,794 km)
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Energy released by metabolising 1g of protein (17 kJ)
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.