What causes poison ivy blisters?
When people get a rash from poison ivy, their bodies are reacting to a chemical called urushiol. Check out this HowStuffWorks podcast to learn more about poison ivy rashes.
You May Also Like

Bir Aile Meselesi
Bir Aile Meselesi

Real Ghost Stories Online
Real Ghost Stories Online | Paranormal, Supernatural & Horror Radio

Trent Loos Podcast
Trent Loos

Eye On The Sky
Vermont Public

The Best of Coast to Coast AM
iHeartPodcasts and Coast to Coast AM

Farm Small Farm Smart Daily
The Modern Grower Podcast Network

Bedtime Astronomy
Synthetic Universe

Unexplainable
Vox

BirdNote Daily
BirdNote

Short Wave
NPR
Community discussion