Fresh Air

Years after his father created a hit singing group of anthropomorphic rodents called The Chipmunks, Ross Bagdasarian Jr. made it his mission to revive his dad's beloved characters. Over the last 40 years, Ross Jr. and his wife Janice have built The Chipmunks into a billion dollar media franchise – run out of their home in Santa Barbara, California...

We dig into the psychology that determines the foods that make us salivate and the scents that make us squirm.

It's our final episode in our series from this year's How I Built This Summit! Today, we're featuring Lisa Price of the beauty brand Carol's Daughter. When Lisa sat down with Guy Raz in October, she described how her business expanded well beyond her Brooklyn kitchen. As it grew, she decided "not to sit at the head of the table," and deferred to the experts. She later came to regret that.

We've all experienced miscommunications. Their consequences can range from hilarious... to disastrous. The actor Alan Alda — yes, that Alan Alda — wants to help us avoid them.

At the end of 2010, Michael Dubin was working in marketing when he met a guy named Mark Levine at a holiday party. Mark was looking for ideas to get rid of a massive pile of razors he had sitting in a California warehouse. Michael's spontaneous idea for an internet razor subscription service grew into Dollar Shave Club, and his background in improv helped him make a viral video to generate buzz for the new brand...

Today we have another live episode from the How I Built This Summit, featuring Katrina Lake of Stitch Fix. Katrina sat down with Guy Raz in front of a live audience in San Francisco in October to discuss building culture at a billion-dollar company, and why it's important – even for the CEO – to "rehire" yourself every year. We have one more episode from the Summit coming up next Thursday; stay tuned for Guy's conversation with Lisa Price of Carol's Daughter.

When a newspaper shuts down, jobs are lost and local stories go untold. There's also a consequence that's harder to spot, and it has a hefty price tag for residents.

In 1977, 23-year-old Jake Carpenter set out to design a better version of the Snurfer, a stand-up sled he loved to ride as a teenager. Working by himself in a barn in Londonderry, Vermont, he sanded and whittled stacks of wood, trying to create the perfect ride. He eventually helped launch an entirely new sport, while building the largest snowboard brand in the world...

Next in our series of episodes from the How I Built This Summit: Joe Gebbia, co-founder of Airbnb. Joe sat down with Guy Raz in front of a live audience in San Francisco, and talked about why he and his co-founders pursued their idea despite overwhelming feedback that it would never work. We're publishing another two episodes from the Summit – so keep checking your podcast feed every Thursday.

Why do we always fall for surprise endings? It turns out that our capacity to be easily fooled in books and movies is made possible by a handful of predictable mental shortcuts. We talk this week with Vera Tobin, one of the world's first cognitive scientists to study plot twists. She says storytellers have been exploiting narrative twists and turns for millennia — and that studying these sleights of hand can give us a better understanding of the contours of the mind.