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Episode Clips

How Do You Get a Rocket to Land Back on Earth?

There's a reason why so few rockets are designed to come back to their launch sites.

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The Next Pompeii

In the shadow of Vesuvius and Pompeii, a lesser-known volcano puts Naples at risk.

Saving the Dead Sea

Can a daring water engineering project revive the Dead Sea without altering its chemistry?

Inside the Megafire

Scientists investigate the deadly megafires that swept through California in 2018.

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