Time for the holiday message! Rounding off the year with a brief and casual reflection on some issue that doesn't quite rise to the level of a full solo podcast. And hopefully something uplifting.

This year, I offer a short apologia for higher education in the liberal arts and sciences, focusing not on the down-to-earth economic/occupational benefits of a college degree, but on the very real ways in which such an education opens up possibilities for personal growth. I think all of us in academia should be loud and unapologetic about the more romantic, idealistic values of the modern university.

Happy holidays all!

Blog post with transcript: https://www.preposterousuniverse.com/podcast/2025/12/22/holiday-message-2025-the-romance-of-the-university/

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Welcome to the December 2025 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Patreons, whittle them down to a more manageable number -- based primarily on whether I have anything interesting to say about them, not whether the questions themselves are good -- and sometimes group them together if they are about a similar topic.

Blog post with transcript: https://www.preposterousuniverse.com/podcast/2025/12/15/ama-december-2025/

In the intro I give a plug for the Pods Fight Poverty effort organized by GiveDirectly. Please consider making a donation to help families in Rwanda!

Enjoy!

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The story goes that Wolfgang Pauli, who first proposed the existence of neutrinos, was embarrassed to have done so, as it was considered uncouth to hypothesize new particles that could not be detected. Modern physicists have no such scruples, of course, but more importantly neutrinos turn out to be very detectable, given sufficient resources and experimental technique. I talk with neutrino physicist Ryan Patterson about what current and upcoming experiments teach us about neutrinos themselves, as well as implications for dark matter and why there are more particles than antiparticles in the universe.

Blog post with transcript: https://www.preposterousuniverse.com/podcast/2025/12/08/228-ryan-patterson-on-the-physics-of-neutrinos/

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Ryan Patterson received his Ph.D. in physics from Princeton University. He is currently Professor of Physics at Caltech. His research involves a number of aspects of experimental neutrino physics, including involvement in the NOvA and DUNE experiments.

• Caltech web page
• Publications at inSpire

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