What's the Most Dangerous Air Pollution?

This four-legged prehistoric animal had a bony sail on its back and was probably scaly, but it was more closely to related to mammals than it was to dinosaurs. Learn about Dimetrodon and other synapsids in today's episode of BrainStuff, based on this article: https://animals.hows ...  Show more

Samhain is a pagan holiday -- celebrated between the fall equinox and winter solstice -- that helped form modern, secular Halloween celebrations. Learn about Samhain in today's episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/holid ...  Show more

The health effects of wildfire smoke are dangerous. Here's how to stay safe when the air quality is unhealthy. See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy 

Smoke from Canadian wildfires is causing poor air quality in parts of the U.S. This smoke can have dangerous health effects because it carries fine particulates known as PM 2.5. With millions of people affected, we thought it would be a good time to turn it over to our friends at ...  Show more

Where is it coming from? How long will it last? What's in the smoke? Whose health is at risk? How do you clean your own air? Learn more about your ad choices. Visit megaphone.fm/adchoices