Hosts: Nels Elde and Vincent Racaniello Nels and Vincent review experiments showing that the replacement of a pale moth with a black one during the industrial revolution was caused by a transposable element.   Links for this episode Last experiment of Michael Majerus (Biol Lett) Moth melanism mutation is transposon (Nature) Image credit Letters read on TWiEVO 10 Science Picks Nels - Is Pokémon Go good for science? (one, two, three) Vincent - Seven Brief Lessons on Physics by Carlo Rovelli Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv Become a patron of TWiEVO