The seasons are a-changin'! We’re coming up on sweater weather in both hemispheres and seasonal researcher and expert Phenologist Dr. Libby Ellwood weighs in with amazing information about why fall smells so good, why leaves change color, why some plants need to chill, bird migrations, and how global temperature shifts affect the whole food web. Bonus: a peek at the most candid, touching thoughts Alie's ever heard from a scientist studying climate. Get this one in your ears and hearts.

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A donation went to SaveGPOrangutans.org

Full-length (*not* G-rated) Phenology episode + tons of science links

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Sound editing by Mercedes Maitland of Maitland Audio Productions, Jarrett Sleeper of MindJam Media & Steven Ray Morris

Made possible by work from Noel Dilworth, Susan Hale, Kelly R. Dwyer, Emily White, Jacob Chaffee & Erin Talbert

Smologies theme song by Harold Malcolm