New Cause Behind Three Mysterious Mass Extinctions Revealed

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A Coelophysis, a dinosaur that existed around the time of the Triassic mass extinction event/Shutterstock

When the phrase “mass extinction” is mentioned, many think of enormous volcanism or asteroid impacts wiping out a large chunk of Earth’s life. There have been five in the history of the planet, and thanks to the detrimental nature of human activity, we are currently in the sixth.