Completely Optional Knowledge

The podcast where we answer the questions you never knew you had. Produced by Andrew Norton with music by Breakmaster Cylinder.


Why Do Touch-Me-Not Plants Recoil?

On a recent vacation to Costa Rica, Indianapolis, Indiana nurse Amy Gastelum did what we all would if given the chance: she touched a touch-me-not plant. Now, she wants to know why the plant recoiled at her touch. Evolutionary ecologist Monica Galiano has our answer.


 2015-09-10  8m