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Short Wave

Could air pollution make your memory worse?

Short Wave

NPR

Nature, Daily News, Science, Life Sciences, News, Astronomy

4.76.6K Ratings

🗓️ 16 June 2026

⏱️ 10 minutes

🧾️ Download transcript

Summary

Summer is here, your windows are open and the smell of…car exhaust and the latest wildfire are wafting in. This air pollution is harmful to almost every organ, including the brain. Today on Short Wave, we talk about one way air pollution may cloud your memory.

Interested in more episodes about how where we live affects us? Email us your question at shortwave@npr.org and we may turn it into an episode!

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Transcript

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0:00.0

You're listening to Shortwave from NPR.

0:05.4

Hey, shortwavers, Emily Kwong here.

0:07.8

And Angela Zang.

0:08.9

With our bi-weekly science news roundup featuring Mary Louise Kelly from All Things Considered.

0:14.2

Hello.

0:15.1

Good to be back with you.

0:16.9

Oh, thank you so much for joining us.

0:18.3

We are going to start with something kind of serious today. I know, shocking, because we're such clowns. But we're going to be talking about air pollution and health, specifically brain health. How are you feeling about your memory these days?

0:31.6

I am great on things that happened years ago. I am not so great on where my car keys were left this morning.

0:38.9

It is some complex science. Yeah. Yeah. Yeah. Memory is a complex thing and our brains are fragile

0:44.8

instruments in that way. So we're going to talk about that. And our second and third topics are about

0:48.5

critters and what they can teach us about the world around them. We're going to dive deep to Will Graveyards,

0:55.0

and then we're going to zoom in to ancient squirrel droppings.

0:58.4

If you can believe that those words can even go together.

1:01.8

I will come to believe them after you share.

1:04.2

Share these two things I definitely did not have on my reader this week.

1:07.9

It is such show and tell.

1:09.7

Shortwave Roundup is like,

1:11.3

here's some treasures that we harvested for you. Yeah. Yeah, you know what they say. I mean,

1:16.9

you know, you are what you eat or at least poop out what you eat. And people may study it

1:21.3

hundreds of years later. So today on the show, we've got stories on air, land, and sea.

1:26.3

You're listening to Shortwave,

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