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Something You Should Know

Something You Should Know

How Much of “You” is Heredity? & Martin Cooper: The Father of the Cellphone - SYSK Choice

Dec 27, 2025 · 47m

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About this episode

There is a three-letter word in the English language that holds more meanings than any other word. You’ve probably said it several times today without realizing how complex it really is. This episode begins with the surprising story behind that word. https://www.rd.com/article/most-complicated-word-in-english/ How much of who you are comes from your genes — and how much comes from the home you grew up in? Heredity is powerful, but also widely misunderstood. Some traits truly are inherited, while others only seem hereditary because families share environments, habits, and experiences. Carl Zimmer joins me to untangle the science. He writes for The New York Times and is author of She Has Her…