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Episode 4
Sponsorship
Fascinating Fails
How To Accidentally Save the World (with Fungus)
How did a famous lab accident end up saving more than half a billion lives…and is it true?
Ken Burns UNUM
UNUM Short: When the World Couldn't Watch a Black Man Win
Ken Burns explores sports as a mirror of our culture.
Untold Earth
What Are These Strange Towers Growing Out of This Lake?
Over half a million years old, the story of Mono Lake is one of survival.