Dear Hank & John 430: A Yawn Across Time
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Oct 29, 2025 Can you swim in lava? Spoiler: it’s a no due to its density! One listener wonders about a single, long white hair – the guys dive into the quirks of hair growth. Ever thought about what stars would look like at warp speed? They tackle that too. Plus, they discuss gravity's role in digestion and the contagious nature of yawns through time. Lastly, they ponder the societal shifts in opinion and share thoughts on our AI fears. It's a quirky blend of science, advice, and oddball questions!
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The Greens' Roles With Partners In Health
- John described his role at Partners In Health as a board trustee who attends meetings and helps raise funds.
- Hank described himself as a major donor, fundraiser designer, and collaborator on communications and strategy.
Digestion Relies On Muscles, Not Gravity
- Gravity is not required for digestion because peristalsis (muscular contractions) moves food through the GI tract.
- Digestion is harder in microgravity, causing issues like floating stomach contents, more heartburn, and risky burps.
Yawns Can Contaminate Across Time
- Contagious yawns can spread across decades via recordings or literature, so the longest 'spread' could reach back to early audio or texts.
- The theoretical earliest contagious yawn might date to ancient literature or the first audible recordings in the 1920s.
