One Strange Rock S01E08 - Alien

Episode Overview

Title: Alien Plot: The unexpected event that led to the emergence of complex life. For two billion years, all life on Earth existed as single-celled bacteria, spreading throughout the planet. So, if we discover extraterrestrial life, how likely is it to be complex like ours? Extremely unlikely. On our peculiar planet, it all comes down to a remarkable accident when one cell engulfed another, resulting in the creation of mitochondria, a cellular powerhouse. This astonishing occurrence paved the way for a diverse and intricate food web driven by the struggle for resources, with humans perched at the top of the hierarchy.

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