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Why Distant Galaxies Look Red

Why Distant Galaxies Look Red

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3:40
NASA Reacts to the James Webb Space Telescope Images

NASA Reacts to the James Webb Space Telescope Images

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1:55
How Scientists Created JWST's First Test Image

How Scientists Created JWST's First Test Image

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4:50
The False Promise of Cloning Your Pet

The False Promise of Cloning Your Pet

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6:37
The Hidden Cause of Traffic Jams—and How to Solve Them

The Hidden Cause of Traffic Jams—and How to Solve Them

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6:05
How Seaweed May Help Revive Our Oceans

How Seaweed May Help Revive Our Oceans

Video
4:39
How Venice Was Built On a Swamp

How Venice Was Built On a Swamp

Video
2:54
This Flood Barrier Could Save Venice

This Flood Barrier Could Save Venice

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2:57
Sharks Are Showing Up Earlier—and Staying Longer

Sharks Are Showing Up Earlier—and Staying Longer

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4:18
Restoring Notre Dame's Iconic Stained Glass

Restoring Notre Dame's Iconic Stained Glass

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3:00
Saving Notre Dame’s Iconic Stone Vaulting

Saving Notre Dame’s Iconic Stone Vaulting

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2:53
How Computer Algorithms Make Predictions

How Computer Algorithms Make Predictions

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2:30
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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?