It's a huge global market that gets especially exciting during the holidays: wine. But how do you choose the right bottle for the party? Stephen Dubner of Freakonomics explains to Kai Ryssdal that you shouldn't always rely on the wine expert, or the expensive price tags.

Food banks are seeing a huge increase in demand and they're also seeing a new demographic of people.

Kai Ryssdal talks to photographer Jonathan Blaustein about his "Value of a dollar" project, where he photographs a dollar's worth of various types of food.

Organic, local, grass-fed... All of that may mean the food is better for you, but it also means it's more expensive. Marketplace's Adriene Hill takes a look at some interesting findings on how much healthy eating costs -- in dollars, well-being and the environment.