Ari Shapiro

Only one of your favorites? It's always an honor to be here.

Only one of your favorites? It's always an honor to be here.

Only one of your favorites? It's always an honor to be here.

Well, let's get to the stories. I hear today we've got one on the immune system telling time.

Well, let's get to the stories. I hear today we've got one on the immune system telling time.

Well, let's get to the stories. I hear today we've got one on the immune system telling time.

These days, there's a lot of news. It can be hard to keep up with what it means for you, your family and your community. Consider This from NPR is a podcast that helps you make sense of the news. Six days a week, we bring you a deep dive on a story and provide the context, backstory and analysis you need to understand our rapidly changing world. Listen to the Consider This podcast from NPR.

These days, there's a lot of news. It can be hard to keep up with what it means for you, your family and your community. Consider This from NPR is a podcast that helps you make sense of the news. Six days a week, we bring you a deep dive on a story and provide the context, backstory and analysis you need to understand our rapidly changing world. Listen to the Consider This podcast from NPR.

These days, there's a lot of news. It can be hard to keep up with what it means for you, your family and your community. Consider This from NPR is a podcast that helps you make sense of the news. Six days a week, we bring you a deep dive on a story and provide the context, backstory and analysis you need to understand our rapidly changing world. Listen to the Consider This podcast from NPR.

It sounds to me like your immune system may be in overdrive right now, Gina. So out of solidarity and sympathy, you want to tell us about the immune system telling time?

It sounds to me like your immune system may be in overdrive right now, Gina. So out of solidarity and sympathy, you want to tell us about the immune system telling time?

It sounds to me like your immune system may be in overdrive right now, Gina. So out of solidarity and sympathy, you want to tell us about the immune system telling time?

Wild. How does the immune system know whether it's day or nighttime?

Wild. How does the immune system know whether it's day or nighttime?

Wild. How does the immune system know whether it's day or nighttime?

Fascinating question. How did scientists go about trying to answer it?

Fascinating question. How did scientists go about trying to answer it?

Fascinating question. How did scientists go about trying to answer it?

How could this knowledge be useful for people trying to fight diseases?

How could this knowledge be useful for people trying to fight diseases?