For thousands of years, food storage was one of humanity’s biggest problems. Even if you could grow or hunt sufficient calories when food was abundant, it was very difficult to store those calories for when food was scarce. One man made a huge advancement in our ability to store foods, which now allows us to enjoy fresh produce all year round. Learn more abo ... Show More
Yesterday
The Dangers of Weightlessness and Its Solutions
The human body was built for gravity. Take it away, and bones weaken, muscles shrink, fluids shift, and even vision can change. For astronauts spending months in orbit, zero gravity isn’t just strange; it is one of the greatest obstacles to living and working in space. Yet there ... Show More
15m 21s
Jun 28
The Kentucky Cave Wars: The Strange Fight Beneath Mammoth Cave
In the early 20th century, the caves of Kentucky became the center of a bitter underground gold rush. At the heart of it all was Mammoth Cave, a prize so valuable that men risked their fortunes, their reputations, and even their lives to control a piece of it. The struggle eventu ... Show More
14m 32s
Jun 27
Mountain Men: America’s First Frontier Legends
Tell me your favorite episode for the 6th anniversary show! Before cowboys became the symbol of the American West, there were the mountain men. They crossed unmapped passes, trapped beavers in icy streams, lived among Native peoples, and helped open the way for the great migratio ... Show More
14m 4s
Jun 2016
Outside the Box: The Story of Food Packaging
The invention of food packaging is one of humanity’s greatest achievements. It may seem hard to imagine today, but the first clay pots made the great civilizations of the ancient world possible, while paper’s first use, long before it became a surface for writing, was to wrap foo ... Show More
43m 9s