As a boy growing up in Peru, Andrés Ruzo recalls his grandfather’s stories about the horrors Spanish conquistadores encountered in the Amazon, including a “boiling river.” Years later, Ruzo, a National Geographic Explorer, journeys into the Amazon to try to find the waterway.
For more information on this episode, visit nationalgeographic.com/overheard.
Want ... Show More
Jul 2023
Trapped in the icy waters of the Northwest Passage
For centuries, the Northwest Passage, the long-sought sea route connecting the Atlantic and Pacific Oceans through northern Canada, was a holy grail of Arctic exploration. Even now, sailing through it isn’t guaranteed. Mark Synnott, a National Geographic Explorer, writer, and adv ... Show More
34m 16s
Jul 2023
Playback: Modern Lives, Ancient Caves
There’s a lost continent waiting to be explored, and it’s right below our feet. We’ll dig into the deep human relationship to the underground—and why we understand it from an instinctive point of view, but not so much from a physical one. (Hint: We’re afraid of the dark.) In an e ... Show More
28m 39s
Jun 2023
Playback: This Indigenous Practice Fights Fire with Fire
For decades, the U.S. government evangelized fire suppression, most famously through Smokey Bear’s wildfire prevention campaign. But as climate change continues to exacerbate wildfire seasons and a growing body of scientific research supports using fire to fight fire, Indigenous ... Show More
29m 8s
May 2023
Colin Hoag, "The Fluvial Imagination: On Lesotho’s Water-Export Economy" (U California Press, 2022)
Landlocked and surrounded by South Africa on all sides, the mountain kingdom of Lesotho became the world's first "water-exporting country" when it signed a 1986 treaty with its powerful neighbor. An elaborate network of dams and tunnels now carries water to Johannesburg, the subc ... Show More
59m 23s
Oct 2023
Congo River
The Congo River is the world’s deepest and most powerful waterway. In its basin, a wilderness bigger than Alaska, natural resources abound - oil, gold, diamonds, rubber. But this river, more than any other, is also linked with some of the darkest times in human history – with sla ... Show More
51 m
Jan 2024
Drinkable Rivers with Li An Phoa
“The sign of a healthy economy should be a drinkable river,” these are the words of Li An Phoa, an environmental activist and our guest for this episode. In 2005, Li An Phoa canoed the full length of the Rupert, a river in Canada. All along the way, she was able to drink water st ... Show More
1h 1m