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Extras

Video thumbnail: NOVA Earth from Space Preview

NOVA

Earth from Space Preview

Detailed satellite images reveal the web of connections that sustain life on Earth.

Earth from Space Preview

Video thumbnail: NOVA The Looming Satellite Gap

NOVA

The Looming Satellite Gap

Many Earth-observing satellites are nearing the end of their lives.

The Looming Satellite Gap

Video thumbnail: NOVA When Hurricane Sandy Went Rogue

NOVA

When Hurricane Sandy Went Rogue

What started out as a tropical storm evolved into one of New York City’s worst nightmares.

When Hurricane Sandy Went Rogue

Video thumbnail: NOVA The Volga Trade Route

NOVA

The Volga Trade Route

The Vikings may have trekked all the way to Iran in search of crucible steel.

The Volga Trade Route

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