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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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The controversial scientist He Jiankui is currently missing after causing major controversy in late November.
Mothers who tested positive for chemicals found in common cosmetic products were more likely to have girls who hit puberty early.
Attenborough told the audience at COP24 that climate change is "our greatest threat in thousands of years."