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Stephen Johnson
Executive Editor, Big Think
Stephen Johnson is Executive Editor at Big Think. His writing has appeared in PBS, U.S. News & World Report, and newspapers and magazines across the Midwest. He lives in St. Louis.
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A new genetic analysis reveals big differences between cultivated and wild tomatoes and domesticated, store-bought tomatoes.
Not all moms would travel into the African bush or drain their life savings just to help their kids realize their dreams.
On Friday, Uber will start publicly trading on the New York Stock Exchange, and drivers want to see some of that money.
Geologists may have spotted evidence of the beginning stages of a subduction zone, a process that drives the movement of Earth's tectonic plates.