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

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

From First Principles vor 7 Monaten

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2:04:23

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 study tests whether extremely resilient microbes can
survive the initial shock of ejection from a planet, potentially
closing the last major bottleneck in rock-to-rock transfer of life.
The universal-vaccine idea — instead of training the adaptive
immune system on one pathogen, Stanford asks whether the lung
itself can be preconditioned to respond broadly and rapidly to many
threats. The Rundown — AI for materials science, orbital nuclear
conflict simulations, and other frontier stories the guys wanted to
hit even without full deep dives. Support the showDonate:
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Show Notes Lithopanspermia / impact survival (PNAS Nexus, Johns
Hopkins)
https://academic.oup.com/pnasnexus/article/5/3/pgag018/8503064
Pathogen-agnostic nasal vaccine (Science, Stanford)
https://www.science.org/doi/10.1126/science.aea1260