That Time Oxygen Almost Killed Everything

Summary

PBS Member Stations rely on viewers you. To support your local station, go to to.pbs.org/DonateEons ↓ More info below ... The story most people know about the Great Oxygenation Event has it backwards. The measured catastrophe came at the end, ... Researched and Written by Leila Battison Narrated and Edited by David Kelly Art by Khail Kupsky Thumbnail Art and Art by Ettore ... The Great Oxidation Event — When More than two and a half billion years ago, a single kind of microorganism quietly changed the chemistry of an entire planet ... About two and a half billion years ago, Earth faced its first true apocalypse. Not from an asteroid or a volcano - but from This video explores the Great Oxidation Event, a pivotal moment around 2.4 billion years ago when Earth's atmosphere ... Find Bizarre Beasts here! youtube.com/bizarrebeasts This is the story of how our planet rescued itself from extreme ... Welcome to The Sleepy Scientist Where wonder drifts on quiet winds, and science speaks in whispers. Here, we slow down ... What if the deadliest mass extinction in Earth's history wasn't caused by a giant asteroid or a supervolcano, but... breathing?