Click above to listen to part 2 of Elements Never Forget, featuring Roland Pease, science reporter in the U.K., describing how oxygen suddenly became abundant in Earth’s atmosphere 2.3 billion years ago, leading to lifeforms (like the pond scum pictured above) adapting to metabolize it.
Elements Never Forget:
Part 1: Inna Vishik / Helium Shortage
Part 2: Roland Pease / Oxygen Glut
Part 3: Nitrogen Ice Cream
Part 4: Mark Stoyer / New Elements







