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NOVA

This Device Smells Diseases by Imitating a Dog's Nose

By studying dog noses, scientists at MIT are building an electronic nose that is learning to analyze odors to sniff out diseases. Could this tech someday be integrated into smartphones?

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Season
Nazca Desert Mystery
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53:31
Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.
Ocean Invaders
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53:32
Meet one of the ocean’s most beautiful and destructive species: Lionfish.
Can Psychedelics Cure?
53:47
Psychedelics are unlocking new ways to treat conditions like addiction and depression.
Computers v. Crime
53:30
Is artificial intelligence making policing and courts fairer, or is it increasing bias?
Rebuilding Notre Dame
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53:43
A team tackles the restoration of iconic Notre Dame Cathedral.
Saving Venice
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53:31
Can innovative engineering projects save Venice?
Ending HIV in America
53:33
Can innovative drugs and therapies finally end HIV?
Ice Age Footprints
53:43
Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.
Why Ships Crash
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53:20
How could a single ship cause a major supply chain crisis around the globe?
Great Mammoth Mystery
53:16
Sir David Attenborough explores a site with traces of ancient mammoths and Neanderthals.
Arctic Sinkholes
53:30
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate
Ancient Maya Metropolis
53:31
Explore great ancient Maya cities and why their inhabitants abandoned them.
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