Did you know? Mass of an adult male Polar Bear (800 kg) is about as big as Mass of a small passenger car (800 kg)
Mass of all the humans on Earth (358 billion kg)
/fact/mass-of-all-the-humans-on-earth
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"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.