Holiday shopping is in full swing, but with the uncertain economic outlook, consumers are facing big decisions about their spending habits this season. Will they splurge or save? To gain insight into holiday spending and consumer confidence, we spoke with Wharton marketing professor Cait Lamberton.

Meanwhile, culinary historian Sarah Lohman has traveled across the United States to uncover rare foods that are at risk of extinction. From New Jersey cider apples to Hawaiian heritage sugar cane, Lohman met with farmers, ranchers, scientists, and activists who are working to preserve these foods. In her new book “Endangered Eating,” Lohman discusses the importance of bringing heirloom foods back to our tables.

Finally, WHYY’s new podcast “Art Outside” is set to debut on Tuesday and will focus on Philadelphia’s public art scene. Hosted by Street Dept. blogger Conrad Benner, the series will showcase five street artists and explore their impact and motivation for creating outdoor art. The inaugural episode will feature an artist known as “the Philadelphia Bansky,” who is taking on the Philadelphia Parking Authority with his art.