Science & Medicine, Natural Sciences, Society & Culture, Technology

Chart Positions

Top 200 144
Science & Medicine 8
Natural Sciences 4

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

What causes poison ivy blisters?

October 29th, 2008

Episode 106 of 1145 episodes

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.

Featured Podcast