Everything you wanted to know about evolution by natural selection in short, easy to digest, episodes. Hosted, and produced by writer Rick Coste.
https://evolutiontalk.com/podcast/
An Explosion of Cambrian Proportions
In the era known as the Cambrian, an era which kicked off 541 million years ago, life exploded. Natural Selection began to produce new creatures, one after the other. A parade of unique forms and shapes that had never been seen before.