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NOVA

Beyond the Elements: Life

Season 47 Episode 19

Without the chemistry of photosynthesis, ozone, and a molecule called Rubisco, none of us would be here. So how did we get so lucky? To find out, host David Pogue investigates the surprising molecules that allowed life on Earth to begin, and ultimately thrive. Along the way, he finds out what we’re all made of—literally.

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Full Episodes
Season
Dinosaur Apocalypse: The Last Day
Episode
53:33
NOVA

Dinosaur Apocalypse: The Last Day

Scientists use new fossils to reconstruct the day the dinosaurs died.
Season 49 Episode 7
Dinosaur Apocalypse: The New Evidence
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53:33
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Dinosaur Apocalypse: The New Evidence

Striking new fossils paint a picture of life right before the asteroid impact.
Season 49 Episode 6
Determined: Fighting Alzheimer's
Episode
53:28
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Determined: Fighting Alzheimer's

Follow three women enrolled in a new study to try to prevent Alzheimer’s.
Season 49 Episode 5
Augmented
Episode
1:25:02
NOVA

Augmented

An ingenious new technology allows prosthetic legs to move and feel like the real thing.
Season 49 Episode 4
Great Mammoth Mystery
Watch with PBS Passport
Episode
53:26
NOVA

Great Mammoth Mystery

Sir David Attenborough explores a site with traces of ancient mammoths and Neanderthals.
Season 49 Episode 3
Secrets in the Scat
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Episode
53:32
NOVA

Secrets in the Scat

Join biologists on an ingenious hunt for the clues hidden in animal poop.
Season 49 Episode 2