The Cosmic Controversy Podcast

Episode 24 — How Oxygen Transformed Our Planet Earth

November 12, 2020

From Pachyderms to Cetaceans, the largest mammals on Earth would arguably never have evolved to their gargantuan sizes without the third most abundant element in the Cosmos --- Oxygen.  Of course, life, even photosynthesis is possible without Oxygen, but for the cosmos to evolve the big-headed space aliens of our sci-fi dreams will likely take Oxygen --- the most efficient energy carrier in the periodic table.  How Oxygen became dominant on our own planet is the focus of today’s episode with guest Timothy Lyons, a biogeochemist at the University of California, Riverside.

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