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November 22, 2024

On the 50th anniversary of Lucy’s discovery, paleoanthropologists reflect on what she taught us about ourselves. Plus, divers have recovered seeds of a long-lost rye variety from a 146-year-old shipwreck in Lake Huron. And, a potato researcher explains potato varieties, potato nutrition, and some tubular tuber facts.

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Teacher Feature: Ethnobotanist Tom Carlson

Science Friday pays tribute to a great science teacher. “Office hours are some of my favorite hours of the week,” says Tom Carlson, a medical doctor, ethnobotanist, and instructor of 1700 students annually at the University of California, Berkeley.

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Desktop Diaries: Daniel Kahneman

“I have always emphasized the willingness to discard,” says psychologist and Nobel Laureate Daniel Kahneman. That philosophy works on two levels—forget desk trinkets, Kahneman doesn’t have a desk—and he doesn’t hoard ideas either he says.

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