Key concept: Isolated populations of desert wildflowers are kept connected thanks to moths that might carry pollen as much as 18 miles per night. Dr. Krissa Skogen (Chicago Botanic Garden) is the guest expert on this episode of “Plants are Cool, Too!”

Hosted by Chris Martine, Bucknell University.

Producers C. Martine, Paul Frederick, Tim Kramer. Shot and edited by P. Frederick.

With Spanish subtitles.