Grass Apes
Sep 25, 2026 · 22m
Summary
Host Molly Webster explores the overlooked importance of grass, featuring biologist David George Haskell. They discuss how grasslands shaped human evolution, leading to bipedalism and the development of our primary food sources like wheat, rice, and corn. The episode also highlights how grass dampens sound and releases calming aromas, connecting us to our ancestral habitats.
Topics discussed
AT&T iPhone 18 Pro Sponsorship
Introducing the Radiolab Fanny Pack
The Lab Membership and Listener Support
Episode Intro: The Grassland Story
Public Perceptions of Grass
David George Haskell: Grass as Co-Creator
Evolution of Grasslands 30 Million Years Ago
Grass Adaptations: CO2 and Fire Resistance
Silicate in Grass and Animal Digestion
Mammal Evolution and Grass Seeds
Ancestral Diet: Eating Grass Seeds
Grasses as the Foundation of Human Food
Sponsor Breaks: Capital One, BetterHelp, Smalls, WISE
Bipedalism and the 'Grass Ape' Hypothesis
Sensory Connection: Sound and Scent of Grass
Credits and Closing Remarks
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