A Wonderful World in the Canopy

Guest: Richard Preston, author, "The Wild Trees: A Story of Passion and Daring"

Giant trees are the gateway to a rarely explored world teeming with wonder.

 

Global Garage Sale

Guest: Adam Minter, business journalist and author, “Junkyard Planet,” and “Secondhand: Travels in the New Global Garage Sale” 

The secondhand world is changing, which reflects our changing values.

 

Eastern State Penitentiary

Guest: Paul Kahan, author, "Eastern State Penitentiary: A History" and "Seminary of Virtue" 

When prisoners arrived in 1829, the Eastern State Penitentiaryin Philadelphia was the largest public works project in the United States. This prison is now a historic landmark, and it has some unique architectural features, to be sure. But it’s what was going on inside that was truly revolutionary.

 

Magic Mushrooms

Guest: Tradd Cotter, microbiologist, mycologist, organic gardener, and owner, Mushroom Mountain and Mycomatrix

Mushrooms have a myriad of uses, and we’ve only begun to scratch the surface.

 

Food Safety: Fortification

Guest: Roger Clemens, biological chemist, University of Southern California Schools of Pharmacy and Medicine

What does it mean to "fortify" food?