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
Apr 30
How do you study microplastics in a plastic-filled lab?
The news we hear about plastic is often alarming: We have a spoon’s worth of plastics in our brains, and there are microplastics in our hearts, lymph nodes, and bloodstreams. Plastics are ubiquitous, but the reality might be more complicated than it seems. It turns out that measu ... Show More
10m 38s
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
Mar 2023
The battle over Osage headrights
Richard J. Lonsinger is a member of the Ponca tribe of Oklahoma, who was adopted at a young age into a white family of three. He eventually reconnected with his birth family, but when his birth mother passed away in 2010, he wasn't included in the distribution of her estate. Feel ... Show More
23m 44s
