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38:10ENFrom deepfakes to DNA: how SynthID watermarks AIHannah Fry, Pushmeet Kohli, Jeremy Ratcliffe · Google DeepMindHannah Fry sits down with Pushmeet Kohli and Jeremy Ratcliffe to explain SynthID: a mathematical watermark now used on text, images and video, and being extended to protein sequences so DNA synthesis companies can tell AI-designed molecules from nature.
1:25:13ENA $500 Lamp Cut TB Transmission 90 Percent. Almost Nobody Buys OneHost Nathan LabenzAerolamp's Misha Gurevich and Vivian Belenky walk Patrick McKenzie through far-UVC at 222 nanometers: the lab science, the safety case, and why the bottleneck is awareness rather than physics.
1:43:39ENFive Mutations Could Make a 60% Fatal Bird Flu Spread Between PeopleHost Nathan LabenzJohns Hopkins assistant professor Jassi Pannu argues for locking down only the sliver of functional data that teaches models how to make pandemic viruses — and keeping the rest of biology open.
2:02:27ENShe set out to build mirror life. Then she talked the field into stoppingHost Nathan LabenzUniversity of Minnesota geneticist Kate Adamala tells Nathan Labenz why every known organism shares one chemical alphabet — and why flipping that alphabet would be a branch of synthetic biology better left unexplored.
37:01ENDNA Is Code, but You Compile It with a PipetteHost Sarah Guo, Elad GilGinkgo Bioworks CEO Jason Kelly tells No Priors why cells are worth the magic, why biology has no AWS, and why a pandemic should look like cybersecurity.
4:55:09ENJamie Metzl Puts the Lab-Leak Odds at 85 PercentGuest Jamie Metzl · Host Lex FridmanThe genetic-engineering author walks Lex Fridman through the circumstantial case for a Wuhan accident, the cover-up he says is no longer debatable, and why the next pandemic will be decided by transparency, not blame.
1:26:53ENFrancis Collins Cannot Exclude a Lab LeakGuest Francis Collins · Host Lex FridmanThe outgoing NIH director talks with Lex Fridman about COVID origins, gain-of-function research, Anthony Fauci, vaccines, and why scientific certainty is the wrong pose.
2:59:12ENNature Never Dealt This CardGuest Rob Reid · Host Lex FridmanIn 2011 two labs independently engineered H5N1 so it could travel through the air between mammals — work Rob Reid tells Lex Fridman should never have been done, and still has not been stopped.








