I glow, therefore I am

Today on the show: a double feature — two mysteries in one episode. First, it seems like all living things emit a faint glow that disappears when they die. Then, is the International Space Station ... too clean?

Guests: Daniel Oblak (profiles.ucalgary.ca/daniel-oblak), professor of physics at the University of Calgary; Rodolfo Antonio Salido Benítez (rodolfosalido.com), scientist at SPT Labtech

Links: Daniel's paper (pubs.acs.org/doi/10.1021/acs.jpclett.4c03546) with mouse and leaf images; Rodolfo's paper (cell.com/cell/fulltext/S0092-8674(25)00108-4) on the ISS

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