What is Coral Bleaching?
Season 46
About the Episode
It changes the dynamic of the entire reefscape, and can be detrimental to corals and the animals that depend on them.
Aired:
| Expires: | Runtime: 2m 29s
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Extras
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Human: Into the Americas Preview
Follow ancient humans’ journey into an icy and perilous new land.0:30 -
Human: Building Empires Preview
Discover how two revolutionary ancient inventions changed the course of humanity forever.0:30 -
Human: Neanderthal Encounters Preview
Discover how Homo sapiens outlasted Neanderthals – and how they helped make us who we are today.0:30 -
Human: Journeys Preview
Follow Homo sapiens as they venture out of Africa and spread farther than any other human species.0:30 -
Human: Origins Preview
Trace the remarkable origin story of Homo sapiens and the crucial moments that shaped our species.0:30 -
The Next Big Earthquake Could Sink Parts of the Pacific Northwest
A massive earthquake along the Cascadia Subduction Zone could sink parts of the Pacific Northwest.5:08 -
Can Birds Recognize Faces?
Crows remembered the face of a person they considered a threat—even across generations.1:57 -
Why Does This Mummy Have So Many Tattoos?
Otzi, a 5,000-year-old mummy, has 61 tattoos arranged in 19 groups across his body.3:04 -
Einstein's Thought Experiment That Transformed Physics
The faster you move, the stranger time becomes.2:10 -
How Einstein Changed the Way We Understand Gravity
In 1912, Albert Einstein had a revolutionary idea.5:36
