99% Invisible

Before the 1850s, dentures were made out of very hard, very painful and very expensive material, like gold or ivory. They were a luxury item. The invention of Vulcanite hard rubber changed everything. It was moldable, it could be precisely … Continue reading → Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early. Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.  Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.