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Mass of Cessna 172 aircraft (998 kg) is 50 x Mass of the heaviest allowable Curling stone (20 kg)
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Estimated world population of Sumatran Orangutan (7,300 individuals)
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.