Before nylon plastics transformed personal care, cleaning your teeth meant rubbing your gums with soot-covered rags or using toxic powders that did more damage than good. Discover how a jailed London rioter, a livestock bone from a prison dinner, and smuggled Siberian pig bristles created the world’s first mass-produced toothbrush—and sparked a global hygiene revolution.

We treat the toothbrush as an ordinary, inexpensive piece of plastic sitting in a bathroom cup, but it is the single tool that conquered systemic oral infection, saved human smiles, and ended centuries of excruciating dental agony. In the sixth episode of Everyday Things Untold Stories, host Jonathan takes you inside the damp, crowded cells of 18th-century London’s Newgate Prison to uncover the surprising origins of daily dental care.

What You’ll Discover in Episode 6:

• The Prison Cell Breakthrough: How William Addis carved small holes into a discarded animal bone during his 1780 imprisonment, tied stolen bristles through the gaps, and created the prototype for modern toothbrushes.
• Pig Hair & Siberian Boars: Why early toothbrushes relied on stiff boar bristles imported from cold climates like Siberia and China—and why they remained a rare luxury for over a century.
• The Nylon War: How DuPont’s 1938 invention of synthetic nylon bristles eliminated animal hair, dramatically dropped production costs, and made daily oral care accessible to everyone.
• WWII & Mandated Brushing: How military hygiene mandates during World War II forced millions of soldiers to brush daily, cementing the routine in homes worldwide after the troops returned.

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Before Charles Goodyear risked total ruin and debtor’s prison to master sticky tree sap, rubber was an unpredictable nightmare—melting in the summer heat and shattering like glass in the winter cold. Discover how an accidental spill on a hot stove, a bicycle ride over rough cobblestones, and brutal colonial monopolies turned raw latex into the pneumatic rubber tires that drive the modern world.

Full Episode Description We roll over thousands of miles of black asphalt every single year without a second thought, but the journey to create the modern rubber tire was paved with obsessions, tragic bankruptcies, and global competition. In the fifth episode of Everyday Things Untold Stories, host Jonathan explores the wild, high-stakes history of vulcanized rubber and pneumatic wheels.

What You’ll Discover in Episode 5:

• Goodyear’s Deadly Obsession: How Charles Goodyear spent decades in extreme poverty, selling his children's schoolbooks and experimenting in prison cells before accidentally discovering vulcanization.
• Dunlop’s Tricycle Revolution: How Scottish veterinarian John Boyd Dunlop invented the air-filled pneumatic tire in 1888 simply to give his young son a smoother ride over rough cobblestones.
• The Michelin Detour: How French brothers Édouard and André Michelin turned air-filled tires into easily replaceable bicycle and automobile components—and launched a famous travel guide in the process.
• The Dark Side of Rubber: The grim geopolitics and intense industrial race that made rubber one of the most coveted and contested resources of the modern industrial era.

Subscribe to Everyday Things Untold Stories on Riverside, Apple Podcasts, or Spotify to listen now.

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Before standardized nuts and bolts existed, a mechanic had to haul dozens of heavy iron tools just to fix a single machine. Discover how a Swedish immigrant, a wooden prototype, and a solo flight across the Atlantic by Charles Lindbergh turned a humble thumbwheel tool into an indispensable American icon.

Full Episode Description Whether you call it a shifter, an adjustable spanner, or simply a "Crescent wrench," this single tool completely revolutionized mechanics, aviation, and emergency repairs. In the fourth episode of Everyday Things Untold Stories, host Jonathan takes you back to the chaos of early industrial factories—where every screw thread was different and repairmen had to carry massive, back-breaking toolkits—to uncover how one simple gear shift changed engineering forever.

What You’ll Discover in Episode 4:

• The Non-Standard Chaos: How the 19th-century Industrial Revolution was nearly brought to a screeching halt by a total lack of standard hardware sizes.
• The Swedish Genius & The Wooden Model: How Swedish immigrant Karl Peterson brought a revolutionary tool design to Jamestown, New York, whittled the early prototypes out of wood, and founded the Crescent Tool Company.
• Lindbergh’s Lucky Tool: Why Charles Lindbergh refused to leave the ground on his historic 1927 transatlantic flight without packing an adjustable wrench, cementing the tool's legendary status.
• From Assembly Lines to Outer Space: How the adjustable wrench went from standard equipment in Ford Model T survival kits to a mission-critical tool for Seabees in WWII and NASA astronauts in orbit.

Subscribe to Everyday Things Untold Stories on Riverside, Apple Podcasts, or Spotify to listen now.