What Causes Runner's Diarrhea?
More to Explore from Gross Science
-
Why Does This Frog Have So Many Legs?!
S2 E35 - 2m 42s
These frogs can have up to TEN back legs.
-
Could We Rid The World Of Mosquitoes?
S1 E40 - 5m 35s
A new technology could make diseases like Zika a thing of the past. But should we use it?
-
What Really Causes Cavities?
S1 E39 - 3m 23s
Hate going to the dentist? Keep the millions of microbes in your mouth happy.
WETA Passport
Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.