Vulcanite Dentures
99% Invisible27 Tammi 2012

Vulcanite Dentures

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.

Jaksot(775)

Reefer Madness

Reefer Madness

There are around 6,000 cargo vessels out on the ocean right now, carrying 20,000,000 shipping containers, which are delivering most of the products you see around you. And among all the containers are...

9 Syys 201514min

Bathysphere

Bathysphere

In 1860, a chance find at sea forever changed our understanding of marine habitats, sparking an unprecedented push to explore a new world of possibilities far below the surface of our planet’s oceans....

2 Syys 201521min

The Great Restoration

The Great Restoration

Stirling, Scotland is the home of Stirling Castle, which sits atop a giant crag, or hill, overlooking the whole town of Stirling. There has been a castle on that hill since the 12th century at least, ...

26 Elo 201529min

Lawn Order

Lawn Order

In communities across America, lawns that are brown or overgrown are considered especially heinous. Elite squads of dedicated individuals have been deputized by their local governments or homeowners’ ...

19 Elo 201516min

Hard to Love a Brute

Hard to Love a Brute

No matter which James Bond actor is your favorite, it’s undeniable that the Sean Connery films had the best villains. There’s Blofeld, who turned cat-stroking into a thing that super-villains do, and ...

12 Elo 201516min

The Sunshine Hotel

The Sunshine Hotel

The Bowery, in lower Manhattan, is one of New York’s oldest neighborhoods. It’s been through a lot of iterations. In the 1650s, a handful of freed slaves were the neighborhood’s first residents. At th...

5 Elo 201526min

From the Sea, Freedom

From the Sea, Freedom

In 1933, delegates from the United States and fourteen other countries met in Montevideo, Uruguay to define what it means to be a state. The resulting treaty from the Montevideo Convention established...

29 Heinä 201518min

Awareness

Awareness

By the late 1980s, AIDS had been in the United States for almost a decade. AIDS had be the number one killer of young men in New York City, then of young men in the country, then of young men … Contin...

22 Heinä 201516min

Suosittua kategoriassa Liike-elämä ja talous

sijotuskasti
mimmit-sijoittaa
psykopodiaa-podcast
rss-rahapodi
rss-draivi
rss-seuraava-potilas
rss-sami-miettinen-neuvottelija
oppimisen-psykologia
rss-rahamania
pomojen-suusta
rss-porssipuhetta
rss-lahtijat
rss-inderes
inderespodi
taloudellinen-mielenrauha
ostan-asuntoja-podcast
kasvun-kipuja
rss-h-asselmoilanen
herrasmieshakkerit
rss-bisnesta-bebeja