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Try Passing this Alzheimer's Screening Test

Try Passing this Alzheimer's Screening Test

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2:54
How an Alzheimer’s study reached Black communities

How an Alzheimer’s study reached Black communities

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2:32
Depression Can Affect Memory—and Mirror Signs of Alzheimer's

Depression Can Affect Memory—and Mirror Signs of Alzheimer's

Video
1:57
New Fossil May Reveal Clues to Dinosaurs' Final Days

New Fossil May Reveal Clues to Dinosaurs' Final Days

Video
2:44
Inside a Fossilized Pterosaur Egg

Inside a Fossilized Pterosaur Egg

Video
2:58
Watch Scientists Extract a Rare Turtle Fossil

Watch Scientists Extract a Rare Turtle Fossil

Video
3:04
The Crash That Shut Down the Global Economy, Explained

The Crash That Shut Down the Global Economy, Explained

Video
3:31
Humans May Have Lived in North America Earlier Than Thought

Humans May Have Lived in North America Earlier Than Thought

Video
4:16
This Device Smells Diseases by Imitating a Dog's Nose

This Device Smells Diseases by Imitating a Dog's Nose

Video
4:43
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
Why Distant Galaxies Look Red

Why Distant Galaxies Look Red

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3:40
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NOVA

War Threatens Ukrainian Nuclear Power Plants

Russia's invasion of Ukraine brings "unprecedented" threats to nuclear power plant safety, a nuclear researcher told NOVA.