In this episode, we speak to writer and comedian Jamie Loftus, author of Raw Dog: The Naked Truth About Hot Dogs, about her cross-country road trip in search of the all-American hot dog.

Why does the oyster — amorphous, slimy, hidden in a shell that’s craggier and stranger than that of a scallop or a clam — capture so many food-lovers’ hearts? What exactly is an oyster? Why are most of the oysters we eat farmed? And why, unlike other farmed seafood, are they considered such a...

We can see the causes and effects of biodiversity loss all around us. Only one variety of banana or pineapple for sale in every grocery store. Or the miles and miles or corn and soy you pass as you drive the roads of Iowa, Minnesota and Illinois. Or the windshield effect: that there are far fewer...