Octopus Camouflage, Orcas vs. Sharks, Civet Coffee & Sub-Diffraction Telescope Tech (EP. 16)

Nov 13, 2025 · 1h 17m

Hosted by Lester Nare and Krishna Choudhary, this super-episode spans four wildly different frontiers: bioengineers hijacking bacterial evolution to mass-produce octopus camouflage pigment; orcas developing cultural hunting strategies against great white sharks; the bizarre chemistry behind civet-processed luxury coffee; and a UCLA breakthrough that pushes telescope resolution beyond the classical diffraction limit. Summary UCSD’s biosynthesis breakthrough — how researchers engineered a growth-coupled, plug-and-play metabolic pathway to mass-produce xanthomatin, the cephalopod pigment behind octopus camouflage. Orca vs. shark culture wars — first-ever documentation of coordinated predation on juvenile great whites in Mexican waters, plus how whales transmit learned behavior socially. The paradox of civet coffee — wild civet gut chemistry, medium-chain esters, and how microbial fermentation creates the world’s most expensive “biologically processed” coffee. UCLA’s telescope hack — a mode-sorting instrument that extracts phase information from starlight, enabling sub-diffraction-limited imaging and revealing asymmetric hydrogen disks around distant stars. Show Notes UCSD — Nature Bio…

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