The Pulse Episode Archive

It’s one of the first questions we hear on detective shows after a heinous crime has occurred: “What’s the motive?” For hundreds ...

The passing of 20 years since the 9/11 terror attacks has meant that some of the wounds cut by that day have closed — others have not. ...

Sometimes, work can feel like Groundhog Day — different variations of the same thing, day after day. Same commute, same hours, same peo ...

Energy fuels our lives in ways that seem almost magical. It can transform darkness into light, cold into warmth, water into ice. Of cours ...

The first episode looks at the promise of the nimble, young startup that pledged to vaccinate Philadelphia.

We’ve heard it again and again — kids are resilient. But they’re also sensitive, with social and emotional needs every bit as compl ...

We’ve all heard the saying: “Don’t judge a book by its cover.” The problem is that’s not how the world works. Just about everyt ...

Who are you? There are dozens of ways to answer that question, from your name and nationality, to your relationships and job, all the way ...

Every time you go to see a new doctor, you have to fill out forms that ask your name, your age, your family history — and your race and ...

Language is how we connect — to each other, to the past, to the future — how we create culture, communicate ideas, and make decisions ...

It seems like every week, we hear about new breakthroughs in cancer treatment — new discoveries, new medications, new hopes for a cure. ...

Left to their own devices, viruses are pretty much helpless. They need cells to infect in order to replicate. But they’re sneaky — ma ...

Humans have been obsessed with Mars for thousands of years, but it wasn’t until the mid-20th century that we began to have actual break ...

For thousands of years, humans have obsessed over Mars from afar. At first, maybe it was the fact that Mars stands out in the night sky b ...

Anxiety can feel like a buzzing electric current that fuels our thoughts and behaviors. There are the well-known symptoms — chest pains ...