Here's a link to the full podcast:    • Video  

Barbara McClintock discovered Transposable Elements, also known as "Jumping Genes" while studying corn plants. We now know they exist in most organisms and can cause all sorts of mutations, good and bad, while jumping about in a genome.

Here is a great overview of Transposable Elements published by Nature for a general audience (but it does require a bit of knowledge of genetics to understand). https://www.nature.com/scitable/topic...