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Killer Floods
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NOVA

Killer Floods

All over the world, scientists are discovering traces of ancient floods on a scale that dwarfs even the most severe flood disasters of recent times. What triggered these cataclysmic floods, and could they strike again? In the Channeled Scablands of Washington State, the level prairie gives way to bizarre, gargantuan rock formations.

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Full Episodes
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Bat Superpowers
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Bat Superpowers

Could the source of the deadliest viruses hold the secret to a healthier and longer life?
Season 48 Episode 10
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Episode
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Ship That Changed the World

As we excavate a 500-year-old wreck, learn the secrets behind history’s great ships.
Season 48 Episode 9
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Great Electric Airplane Race

Will electric planes replace polluting airliners and lead to flying taxis in our cities?
Season 48 Episode 7
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53:13
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Hindenburg: The New Evidence

A revealing new investigation of one of history’s most iconic aviation disasters.
Season 48 Episode 6
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Episode
53:06
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Fighting for Fertility

Meet people struggling with infertility and the challenges of assisted reproduction.
Season 48 Episode 5
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Episode
53:21
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Reef Rescue

Scientists race to help corals adapt to warming oceans through assisted evolution.
Season 48 Episode 4
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Episode
1:33:06
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Picture a Scientist

Researchers expose longstanding discrimination against women in science.
Season 48 Episode 3
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Episode
53:46
NOVA

Looking for Life on Mars

NASA launches its most ambitious search yet for traces of ancient life on Mars.
Season 48 Episode 2
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Episode
53:26
NOVA

Secrets in our DNA

What can DNA testing companies reveal about our ancestry and health, and at what risk?
Season 48 Episode 1
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Episode
19:13
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CRISPR Gene-Editing Reality Check

CRISPR gene-editing technology is advancing quickly. What can it do now—and in the future?
Season 47 Episode 111
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