Episode 280: Dutch Elm Disease (Entry 388.JL0112) - a podcast by Ken Jennings and John Roderick

In which America's forests and suburbs are ravaged by a strange invader brought by bark beetles, and Ken insists on comparing tree sap to mucus even though no one wants that. Certificate #27612.

Further episodes of Omnibus

Further podcasts by Ken Jennings and John Roderick

Website of Ken Jennings and John Roderick