Big Picture Science – Elements Never Forget: Roland Pease / Oxygen Glut

by Gary Niederhoff on June 19, 2016

pond scum
Big Picture Science – Oxygen Glut
click to listen (TRT 12:10)

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.

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