Astrobiology’s Biggest Survival Test + A Vaccine Against Everything? (EP. 29)

From First Principles · Mar 12, 2026 · 2h 4m · transcript

Hosted by Lester Nare and Krishna Choudhary, this episode starts in astrobiology with a fresh experimental challenge to one of the biggest objections to lithopanspermia: can life actually survive the violence of being blasted off a planet by an asteroid impact? Then, after a packed Rundown, we pivot hard into immunology with a radical Stanford paper asking whether we could build one nasal vaccine that doesn’t target a specific pathogen at all—but instead makes the lung itself a stronger fortress against whatever shows up.

Summary

Lithopanspermia gets less crazy — a Johns Hopkins / PNAS Nexus…