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Peach fuzz. Chin hairs. Mammalian ponytails. WHY DO THEY HAPPEN. Yale researcher and associate professor Dr. Valerie Horsley stops by California to chat with Alie about the nature of hair and what it has to do with skin and nails, stem cells, how it grows, why some of us have curly hair or straight hair or thin hair or thick hair, and why we love and hate and need our hair as animals. Dr. Valerie Horsely is on Facebook The Horsely Lab at Yale More episode sources & links Full-length (*not* G-rated) Trichology episode + tons of science links More kid-friendly Smologies episodes! Become a patron of Ologies for as little as a buck a month OlogiesMerch.com has hats, shirts, hoodies, totes! Follow @Ologies on X and Instagram Follow @AlieWard on X and Instagram Sound editing by Mercedes Maitland of Maitland Audio Productions and Steven Ray Morris Made possible by work from Noel Dilworth, Susan Hale, Kelly R. Dwyer & Erin Talbert Smologies theme song by Harold Malcolm |