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Nature’s Greatest Building Material: Your Bones 20

Humans are connected to both a 100-foot-long Blue Whale and a fly-sized frog by one thing: the bones under our skin. Roy Meals, clinical professor of orthopedic surgery at UCLA, joins host Krys Boyd to talk about the science and wonder of our skeletal framework and explains why bones are invaluable—and have been so since the dawn of recorded time. His book is “Bones: Inside and Out.”