Alix Spiegel

This week, the podcast and show Invisibilia examines the nature of reality, with a Silicon Valley techie who created apps to randomize his life, a psychologist who trains herself to experience the world like dogs do and

Welcome to Invisibilia Season 3! The NPR program and podcast explores the invisible forces that shape human behavior, and we here at Shots are joining in to probe the often tenuous line between perception and reality. Here's an excerpt from Episode 1.

Editor's note: This is an excerpt from the latest episode of the Invisibilia podcast and program, which is broadcast on participating public radio stations.

Until she was 54 years old, Kim was totally unaware that there were things in the world she couldn't see.

"This was the whole problem," Kim says. "I had no clue what the problem was."

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Editor's note: This is an excerpt from the latest episode of the Invisibilia podcast and program, which is broadcast on participating public radio stations. This story contains language that some may find offensive.

Editor's note: This story first ran on Jan. 16, 2015, as part of NPR's Invisibilia podcast. It's about a man who decided he no longer wanted to be ruled by fear. Without realizing it, he used a standard tool of psychotherapy to help him stop dreading rejection.

In this episode of Invisibilia, NPR's new show about human behavior, we wanted to explore entanglements: the invisible ways we're entangled with each other. So we called a comedian.

I'm a fan of Maria Bamford, who has done impressions of her mother throughout her career:

Fear is one of the strongest and most basic of human emotions, and it's the focus of Fearless, the second episode of Invisibilia, NPR's new show on the invisible forces that shape human behavior.

This segment of the show explores how a man decided to conquer his fear of rejection by getting rejected every day — on purpose.

The evolution of Jason Comely, a freelance IT guy from Cambridge, Ontario, began one sad night several years ago.

It's a tradition as old as New Year's: making resolutions. We will not smoke, or sojourn with the bucket of mint chocolate chip. In fact, we will resist sweets generally, including the bowl of M&M's that our co-worker has helpfully positioned on the aisle corner of his desk. There will be exercise, and the learning of a new language.

It is resolved.

So what does science know about translating our resolve into actual changes in behavior? The answer to this question brings us — strangely enough — to a story about heroin use in Vietnam.

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