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<p>Fiorenzo Omenetto is a professor of biomedical engineering at Tufts University and the director of Silklab. Fiorenzo's problem is this: How do you turn a material people have been using for thousands of years into useful, cutting edge tools that improve everything from vaccine delivery to food waste?</p> <hr> <p>Get early, ad-free access to episodes of What's Your Problem? by subscribing to Pushkin+ on Apple Podcasts or <a href="http://pushkin.fm/">Pushkin.fm</a>. Pushkin+ subscribers can access ad-free episodes, full audiobooks, exclusive binges, and bonus content for all Pushkin shows. <br><br>Subscribe on Apple: <a href="http://apple.co/pushkin">apple.co/pushkin</a><br>Subscribe on Pushkin: <a href="https://www.pushkin.fm/join-pushkin">pushkin.com/plus</a></p><p>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.</p>