We all love oxygen. It's what allows us to breathe, and to make energy from the food we eat. However, long, long ago, oxygen was a deadly poison that killed anything that it touched. How did oxygen go from a death cloud to Gavin's favorite element? The Great Oxidation Event!

Palaeocast Gaming Network video Gavin made about the new Pokemon Games: https://www.youtube.com/watch?v=lIgFW91jPXc