Ivo Lucchitta

Sep. 23, 2011

Solving The Riddle Of The Grand Canyon’s Formation

Most geologists agree on the approximate age of the canyon, but puzzles remain about its carving.

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Michael Pollan Talks Plants and Food

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Can the Bacteria in Your Gut Send Messages to Your Brain?

Researchers discuss how the microbiome might play a role in anxiety, depression, and autism.

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