Episode (200)
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Conquering Polio | Beyond the Microscope
Jan 14, 2026By the late 1940s, the National Institute of Infantile Paralysis had raised millions of dollars to pay for patient care and laboratory research. But polio cases were reaching record levels, and scient...
Conquering Polio | The Cutter Fiasco
Jan 21, 2026In April 1954, a group of first graders lined up in the gymnasium of an elementary school in McLean, Virginia for the start of the Salk polio vaccine trials. In an era before widespread federal govern...
Conquering Polio | There Is No Patent
Jan 28, 2026In the early 1950s, Jonas Salk and Albert Sabin were in a race to develop a vaccine against polio. While Salk’s killed-virus vaccine was the first to be distributed, Sabin continued working to perfect...
The Ice King | No Joke
Dec 10, 2025In 1801, a young Boston merchant named Frederic Tudor made a life-changing visit to Cuba. There he had a wildly ambitious idea: he would ship New England ice to the sweltering Caribbean, where no one ...
The Ice King | Frozen Assets
Dec 17, 2025In 1806, Frederic Tudor set out to build a fortune by shipping ice from his family’s pond near Boston to the tropical Caribbean—an audacious idea no one believed in. But turning frozen water into prof...
The Ice King | Slippery Business
Dec 24, 2025By 1816, Frederic Tudor had spent a decade shipping New England ice to Cuba—with little to show for it. Setbacks and vanished profits nearly ruined him, and a gamble on shipping tropical fruit had lef...
The Ice King | Indian Summer
Jan 07, 2026After two turbulent decades in the ice trade, Frederic Tudor had finally made it. Expanding into the American South had paid off, with cities like New Orleans delivering steady profit. But Tudor’s ins...
The Mayflower | Saints and Strangers
Nov 05, 2025In the early 1600s, an orphaned teenager named William Bradford joined a clandestine congregation of passionate Puritan worshipers in the village of Scrooby, England. Every Sunday, he met in secret wi...
The Mayflower | A Sea of Troubles
Nov 12, 2025"In the fall of 1620, the Mayflower embarked on a 3,000-mile journey across the Atlantic Ocean. Over the next nine weeks, its passengers and crew battled fierce storms and rampant illness. They had le...
The Mayflower | The First Thanksgiving
Nov 19, 2025"The winter of 1620-21 took a deadly toll on Plymouth Colony. The Pilgrims had only just begun to construct their homes when illness began spreading through the settlement. Their flimsy shelters offer...