Science & Futurism with Isaac Arthur cover image

Living Planets: The Gaia Hypothesis

Science & Futurism with Isaac Arthur

00:00

The Gaia Hypothesis and the Medea Hypothesis Have Philosophical Issues

Microbes make up the overwhelming majority of organisms on this planet. They out-massing animals, even tiny ones, by about 2521. In this context, microbial-triggered mass extinctions result in a return to a micro-dominated state. Peter Ward also suggests that current global warming would be another such Medea event.

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