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What Turned These Ancient Trees to Stone?

Season 2 Episode 3 | 7m 07s

Locked within the stones and fossils of Petrified Forest National Park lies a record of life, death, and resilience during one of Earth's most extreme periods of environmental change. What secrets do these fossilized ecosystems reveal about the prehistoric past, and how can they help predict the future of life on Earth?

Aired: 03/31/25
Extras
Explore the life and legacy of notable Black scholar and civil rights pioneer W.E.B. Du Bois.
Rosalind surprises Cyril when he shares his plans for their weekend away.
Cyril and Rosalind discuss his upcoming divorce.
Cyril asks Rosalind to go away for the weekend.
Follow filmmaker Julie Forrest Wyman as she searches for her place in the little people community.
Sister Catherine finds the perfect way to ensure Nonnatus House is never forgotten.
Phyllis shares a touching time capsule message with Miss Higgins.
The Turner children are hard at work planning their time capsule.
Everyone is talking about the time capsule, including the women of Nonnatus House.
Rosalind faces a troubling domestic issue as Joyce befriends a single mother with placenta previa.
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The Bay of Fundy's extreme 50 foot tides carry enough potential energy to power a small city.
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Discover how The Atchafalaya Basin protects Louisiana's coast from hurricanes.
Meet Pando, an ancient tree in Utah that has grown into one of Earth's largest living wonders.
How are truffles key to the survival of the forest ecosystem at large?