Jonathan Gewurzmann, a co-lead author from Yale University, discusses an incredible discovery of diverse microbial ecosystems within trees, revealing a hidden world that supports tree health. Ewan Calloway, a writer for Nature, shares insights on the ethical debates surrounding de-extinction efforts, notably the controversial attempts to revive the direwolf. The podcast also dives into the development of a revolutionary underwater hydrogel adhesive, successfully tested with a rubber duck, showcasing its potential for aquatic repairs and surgical applications.