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Using Artificial Intelligence to Diagnose Melanoma
Dr. Roberto Novoa of Stanford Medical School used a database of nearly 130,000 images from the internet to train a deep learning algorithm to identify skin cancers as accurately as his fellow dermatologists.
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53:31
Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.

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53:32
Meet one of the ocean’s most beautiful and destructive species: Lionfish.

53:47
Psychedelics are unlocking new ways to treat conditions like addiction and depression.

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Is artificial intelligence making policing and courts fairer, or is it increasing bias?

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53:43
A team tackles the restoration of iconic Notre Dame Cathedral.

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53:31
Can innovative engineering projects save Venice?

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Can innovative drugs and therapies finally end HIV?

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Discover how NASA engineers built and launched the most ambitious telescope of all time.

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Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.

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53:20
How could a single ship cause a major supply chain crisis around the globe?

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Sir David Attenborough explores a site with traces of ancient mammoths and Neanderthals.

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In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate