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Description
Presents number-related facts, including the estimated age of the universe, the average speed of a woodpecker's pecks, the amount of protein in a grasshopper, the number of red blood cells in a human body, and the melting point of gold.
National Geographic Kids inspires young adventurers to explore the world through award-winning magazines, books, apps, games, toys, videos, events, and a website, and is the only kids brand with a world-class scientific organization at its core. This book and series is created by National Geographic contributors, including researchers, photographers, content experts, and educational specialists.