How The Humble Beaver Shaped A Continent
The American beaver, Castor canadensis, nearly didn’t survive European colonialism in the United States. Prized for its dense, lustrous fur, and also sought after for the oil from its tail glands, the species was killed by the tens of thousands, year after year, until conservation efforts in the late 19th century turn ... Show More
Mar 12
How Is AI Being Used In The Iran War?
The military use of AI is capturing headlines this month. After a dustup with the Pentagon, the AI company Anthropic is out, and OpenAI is in. Meanwhile, in the US war with Iran, AI is being deployed in ways we’ve never seen. To make sense of it all, Host Flora Lichtman talks wit ... Show More
14m 25s
Mar 11
Is There Science Behind The ‘Nervous System Reset’?
On social media, the vagus nerve often gets billed as the gateway to nervous system nirvana: It’s your ticket to better rest, relaxation, and health if you “stimulate” it correctly. Where did this idea come from, and what does the research say? Host Flora Lichtman talks with neur ... Show More
17m 50s
Dec 2023
John Perlin, "The Forest Journey: The Story of Trees and Civilization" (Patagonia, 2023)
A Foundational Conservation Story Revived.
Ancient writers observed that forests always recede as civilizations develop and grow. The great Roman poet Ovid wrote that before civilization began, “even the pine tree stood on its own very hills” but when civilization took over, “the ... Show More
28m 27s
