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The Evolution of Prosthetic Leg Technology

The Evolution of Prosthetic Leg Technology

The Evolution of Prosthetic Leg Technology

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5:11

War Threatens Ukrainian Nuclear Power Plants

War Threatens Ukrainian Nuclear Power Plants

War Threatens Ukrainian Nuclear Power Plants

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7:09

Try Passing this Alzheimer's Screening Test

Try Passing this Alzheimer's Screening Test

Try Passing this Alzheimer's Screening Test

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How an Alzheimer’s study reached Black communities

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

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

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1:57

New Fossil May Reveal Clues to Dinosaurs' Final Days

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

Inside a Fossilized Pterosaur Egg

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2:58

Watch Scientists Extract a Rare Turtle Fossil

Watch Scientists Extract a Rare Turtle Fossil

Watch Scientists Extract a Rare Turtle Fossil

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3:04

The Crash That Shut Down the Global Economy, Explained

The Crash That Shut Down the Global Economy, Explained

The Crash That Shut Down the Global Economy, Explained

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3:31

Humans May Have Lived in North America Earlier Than Thought

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

This Device Smells Diseases by Imitating a Dog's Nose

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4:43

Why Distant Galaxies Look Red

Why Distant Galaxies Look Red

Why Distant Galaxies Look Red

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3:40

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NOVA

How Neanderthals Came to Inhabit Northwest Europe

Sir David Attenborough investigates with an archaeologist and paleoanthropologist how Neanderthals thrived 200,000 years ago in what is now Great Britain.