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Mass of an adult male red kangaroo (85 kg) is 500 x Mass of an iPhone 6 (170 g)
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Number of Automatic Teller Machines (ATM's) in the world (3million )
"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.