Ethnoecology (ETHNOBOTANY/NATIVE PLANTS) with...

Mile-thick ice. Dry, rocky valleys. Tiny creatures. Red parkas. Seal mummies. We’re going to Antarctica with National Geographic Explorer, microscopic photographer, and Antarcticologist Ariel Waldman. She hosts the gorgeous PBS series “Life Unearthed” and answers a blizzard of qu ...  Show more

In an encore of one of our top episodes ever, Dr. Zoffness is back to chat about her brand new book, Tell Me Where It Hurts. PAIN. What is it? Where does it come from? And how can we hurt less? Which hurts more, a kidney stone or heartache? Why does chronic pain persist? Can we t ...  Show more

#085 Rebroadcast

Well here in Texas, we just suffered through an intense freeze. And many a plant became a casualty of the cold, but why? What's going on at the molecular level that causes freezing temperatures to be bad for many plants? And is t ...

"Modern economies will always be tied to massive material flows, whether those of ammonia-based fertilizers to feed the still-growing global population; plastics, steel, and cement needed for new tools, machines, structures, and infrastructures; or new inputs required to produce ...  Show more

Simple living, plain dress and pacifism. This is not a lifestyle typical of the United States. So how did the Amish come to be in America? Where did this religion come from? And how has their society changed with modernisation?

In this episode, Don and Dr Joseph Donn ...

Since grade school, most of us have been taught germ theory so consistently that we may have forgotten that it is a theory in the first place. Today, Marcy Cravat, the producer of the documentary "Terrain" challenges our presumptions. She contrasts germ theory with natural law (o ...  Show more