Hair loss can be life impacting for some people. We talk with the author of a new book about how being bald affected him and his experience traveling to Turkey to get hair transplants.

As destructive as they are, plant diseases can be intriguing. Brian Hudelson, known as ‘Dr. Death’ to Garden Talk fans, has published a fanciful book of limericks based on common and uncommon plant diseases.

Mushrooms, berries and asparagus are just a few of the foods you might find growing in the wild or even in your backyard. We learn more about the art of foraging from author John Kallas, who’s been teaching about wild food since 1978.

A dog’s environment has a lot to do with its behavior. Patricia McConnell is back to explain why your rescue dog might have behaved differently at the shelter than it does at home.

Being mad isn’t always a bad thing. Anger can help people stick up for themselves when they face injustice. We learn more about anger and how to manage it positively from the Anger Professor.

Wearing a smile on your face can be interpreted differently depending on where you live. We talk with a Wisconsin physiologist who’s explored smile culture around the world for decades.

Santa and Jingle (the elf) stop by the Ideas Network studio to answer our most pressing questions about their Christmas Eve operations. They're eager to take calls from our youngest listeners to talk with them about their Christmas wishes.

On a special edition of our Book Club show we hear from many of our regular guests. We asked them for book recommendations, one that relates to their profession and one that doesn’t.

Christmas trees, as we know them, originated in Germany and were brought to the United States by immigrants. Today, climate change is forcing these beloved conifers to adapt in order to survive. We talk with a plant pathologist about the future of the Christmas tree.

Jupiter and Orion are just two of the many objects shining bright in the winter sky. An astronomer visits to tell you what you can see in the celestial sphere. Plus, we learn why light pollution is a problem in outer space.