WATCH: The Science Behind Why Human Boobs are So Big

posted by Joe Johnson - 

"Breasts come in different shapes and sizes. They are unique to humans. More than 5,000 mammalian species inhabit this planet. Yet, Homo sapiens are the only life forms with permanent breasts. Some may call this human anomaly sexy. But it also begs the question: Why are human breasts so big and were they an evolutionary mistake?"

Joe Johnson

Joe Johnson

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